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Building Toys

Don't just dream it, build it! These Mighty Girl building toys help girls to develop their spatial and logic skills and give them the joy of creating something all their own. For more options for all ages, visit our Building Toys section.
98 items
  1. Women Who Dared Building Blocks

    Pay tribute to 32 women who changed the world with this set of heirloom-quality blocks from Uncle Goose! Each block features one woman's name, portrait, quote, and a short explanation of her historical importance. Together, the blocks can be assembled to form the Suffrage Movement slogan Deeds Not Words. They're sturdy enough for play but also make a beautiful display piece and learning tool — and, like all Uncle Goose products, they're made in the USA from sustainable Michigan basswood and non-toxic inks.

    Ages: 2 and up
    Price: $64.00
  2. Quadrilla Medieval Castle Marble Run

    Bring a little fantasy adventure to your marble run with this creativity-inspiring kit from Quadrilla! This marble run features design elements based off a Medieval castle, complete with towers, a column, a windmill, a hanging drawbridge, and more. The set comes with stickers to customize your castle pieces, and play elements including a griffin, a dragon, and more! It's a unique way to bring storytelling fun to your marble run play.

    Ages: 4 and up
    Price: $155.49
  3. LEGO Women of NASA Building Kit

    Build a tribute to some of the ground-breaking women who took American into space with this much-anticipated set from LEGO Ideas! This fan-designed set features astronomer Nancy Grace Roman; computer scientist Margaret Hamilton; astronaut and physicist Sally Ride; and astronaut, physician and engineer Mae Jemison, each as part of a vignette depicting their role with NASA. It's a wonderful way to inspire the women in STEM of future generations!

    Ages: 10 and up
    Price: $24.54
  4. Unicornbot Building and Coding Kit

    This enchanted unicorn kit has everything you need to create a buildable, codable UnicornBot! The 3D, 360° animated building instructions on the free JIMU app (compatible with devices using iOS 9.0 and up or Android 5.0 and up) will guide you through assembling the 440 parts, including smooth motion servos, a motor, and an RGB light-up horn. Then, you can use the easy-to-learn Blockly coding platform to teach your Unicornbot to move, pick-up objects, recognize colors, and more! It's a fantasy-inspired introduction to the basics of robotics and coding that kids will love.

    Ages: 8 and up
    Price: $89.99
  5. LEGO Hogwarts Great Hall

    Build and recreate your favorite magical school with this detailed 4-Level LEGO Hogwarts Great Hall building set! This giant 878-piece set features a fireplace, benches, tables, and reversible house banners, plus the grand staircase tower with a spiral staircase, the potions room, and the treasure room. There's a wide variety of magical artifact accessories, including the Sorting Hat and the Mirror of Erised, as well as a buildable Fawkes the phoenix and a buildable basilisk — and plenty of minifigures, including Ginny Weasley, Professor McGonagall, and, of course, Hermione Granger! You can also add the LEGO Hogwarts Express kit to give your young wizards a way to get there.

  6. littleBits Space Rover Inventor Kit

    With this fun kit from littleBits, kids can build their own interactive space rover! littleBits are easy-to-use electronic building blocks that snap together with magnets and allow anyone to build, invent, and prototype. The space rover kit comes with 34 components that kids can use to complete 30 space-themed projects inspired by the challenges facing real NASA astronauts and engineers, including a space rock collector and an alien life detector. It even includes stories of real-life space pioneers to inspire young explorers and engineers. Once they've tried the included projects, kids can experiment endlessly with their own inventions!

    Ages: 8 and up
    Price: $98.02
  7. Snap Circuits Alternative Energy Kit

    Snap Circuits Alternative Energy Kit makes learning about electricity and alternate energy fun! This kit contains over 40 parts which allows budding engineers to build over 125 projects. The kit includes an instruction manual that provides step-by-step instructions for all the cool stuff you can do. Youngsters will have endless hours of fun while learning about circuits, electricity, geothermal power and lots more!

    Ages: 8 and up
    Price: $44.10
  8. One Two Squeeze Blocks

    The littlest builders don't just stack blocks: they also toss, squeeze, and even chew them! These squishy plastic blocks are soft enough to be safe even in the hands of overenthusiastic kids, and the BPA-, lead-, and phthalate-free material means you don't have to worry if they end up in someone's mouth. Each block also features a different animal and a number from 1 to 10, all hand-sculpted. This set comes in a recycled plastic bag for easy storage.

    Ages: 0 - 3
    Price: $13.99
  9. LEGO Moana's Ocean Voyage

    Moana is determined to save her island, no matter what it takes! Use the 307 pieces in this set to build Moana's canoe, then ride off with Maui and Hei Hei to return Te Fiti's heart. Just watch out for the Kakamora! Full of fun accessory elements, this set also allows kids to build some interesting engineering pieces, like a catapult for the Kakamora and a transforming Te Fiti island. Moana and Maui figures are included.

    Ages: 6 - 12
    Price: $44.00
  10. littleBits Avengers Hero Inventor Kit

    Avengers, assemble — including you! With this set from littleBits, kids will join their favorite Avengers, including Iron Man, Black Panther and Shuri, and Ant-Man and the Wasp, to create their own superhero identity. Eighteen in-app activities get kids building gear with the easy to use littleBits components, adding new abilities with easy block coding, and designing the perfect superhero icon with the LED Matrix bit. Authentic Avengers sound effects make this an absorbing and exciting way to learn real STEM skills!

    Ages: 8 and up
    Price: $120.00
  11. Orpheus Robot Music Box Puzzle

    Build an intricate and beautiful 6" tall robot-shaped music box out of wood pieces with this kit from ROBOTIME. Orpheus plays a tune called "Cycle of Happiness" and lights up — but first, you have to put him together. Assemble the 221 pieces, including laser-cut wooden components, then hand-crank the music box to get the gears moving. Orpheus' arms and legs move, as does the LED light! It's a complex building project that results in an elegant and unique display piece.

    Ages: 13 and up
    Price: $34.99
  12. LEGO Education DUPLO STEAM Park

    Arts and science combine with this set of DUPLO blocks! Preschoolers will construct a STEAM park full of dynamic moving rides, fun games, and scenes using the special selection of LEGO DUPLO bricks. Along the way, they grow their understanding of gears, motion, measurement, and solving problems together in a fun and engaging way. Kids can follow the included inspiration cards, or just let their imagination run wild. This set includes 295 pieces, including both standard bricks and unique accessory pieces like slides, wheels, a cannon that actually "fires," and even fun park-themed items like balloons!

    Ages: 3 - 5
    Price: $154.95
  13. Periodic Table Building Blocks

    Elements are the building blocks of the universe -- and now they can be the building blocks of your toy box with this fun set from Uncle Goose! 20 solid wood building blocks, made in the US from sustainable Michigan basswood, feature the elements of the periodic table painted in non-toxic, child-safe inks. And even though they're building blocks, don't think they're just for babies -- chemistry geeks will love these colorful blocks as much at 36 years as 36 months!

    Ages: 2 and up
    Price: $32.95
  14. Magformers 62 Piece Set

    Magformers are a unique and colorful way to build! They're never frustrating, because they're designed to attract no matter how you line them up, and the plastic-sealed magnets are safe even for young children. Although the shapes are seemingly simple, you can build an amazing variety of 2- and 3-dimensional shapes with ease. The 62-piece set comes with 30 squares, 20 triangles, and 12 pentagons for hours of creative building fun.

    Ages: 3 and up
    Price: $67.99
  15. LEGO Classic Large Creative Brick Box

    LEGO bricks are a classic building toy! To get your collection started -- or to expand the sets you already have -- check out this set of over 600 colorful LEGO bricks in a variety of sizes. The set includes accessory pieces like faces, eyes, and wheels, as well as bricks in a variety of colors, including rare light blue bricks. The only limitation is imagination!

    Ages: 4 and up
    Price: $47.99
  16. Brain Flakes

    Keep little brains busy with this innovative building toy from Viahart. Brain Flakes discs snap together and apart quickly and easily, and they can be assembled in so many configurations that nothing limits the imagination of little builders! This set comes with 500 discs in a variety of bright, fun colors that are sure to prompt creativity, and includes a reusable jar for easy storage when building time is done.

    Ages: 3 - 10
    Price: $14.98
  17. DUPLO My First Puzzle Pets

    Part puzzle, part building toy, this set from DUPLO is the perfect first building experience for young animal lovers! Preschoolers will love sorting the 18 chunky bricks into different colors, and seeing what animals they can build in each color. Plus, each animal comes with a "snack" also in the same color! Once they've matched the pieces, they can experiment with mixing them up to see what crazy creatures they can make. Duplo bricks are specially sized for little hands to make them safe and easy to assemble. They're the perfect introduction to the world of building.

    Ages: 18 months - 5
    Price: $10.79
  18. LEGO Ideas: Birds

    Build three detailed and beautiful models of common birds -- made out of LEGO! Created by gardener and bird enthusiast Thomas Poulsom and selected by LEGO Ideas members, each replica bird hails from a different continent: the Robin from Europe; the Blue Jay from North America; and the Hummingbird from South America. The 580-piece set also comes with booklets detailing information about each of these three fascinating species.

    Ages: 12 and up
    Price: $72.75
  19. Connectagons Deluxe

    HearthSong's popular Connectagons have been updated with colorful patterns that are sure to inspire terrific structures! This deluxe set includes 240 of the patterned, circular Connectagons, plus 240 solid-colored Geometric Connectagons in a variety of shapes. All of the pieces fit together in a myriad of ways -- and they're also compatible with previous Connectagons sets, so you can continue building your collection!

    Ages: 3 and up
    Price: $25.99
  20. Mega Bloks Deluxe Building Bag

    Build her towers to the skies with this massive collection of 150 Mega Bloks! These chunky blocks are perfect for little builders: easy to hold, simple to click together, and safe for toddler play. They all come in a zippered bag that's big enough to store these blocks, plus more as her collection grows. For another set of Mega Bloks perfect for young builders, check out the First Builders Big Building Bag which includes 80 colorful pieces.

    Ages: 1 - 5
    Price: $29.99
  21. LEGO DC Super Hero Girls Eclipso Dark Palace

    Join in the action-packed LEGO DC Super Hero Girls world as Wonder Woman battles Eclipso to save The Flash! This great 1,078-piece set features a cool foldout palace with 2 levels, 4 "power drain" tubes, a planning room, a vanity and weapons cabinets, Eclipso's Jewel Jet, Wonder Woman's Invisible Jet, loads of accessory elements, and 3 orange Kryptomites. To add to your LEGO DC Super Hero Girls collection, check out the Lashina's Tank and Bumblebee's Helicopter sets, as well as the 712-piece Super Hero High School set.

    Ages: 9 - 12
    Price: $106.99
  22. Klutz LEGO Chain Reactions Kit

    Build incredible chain reactions of wacky machines with this kit from Klutz and LEGO! The idea book includes directions for ten LEGO machines that can turn, pivot, drop, and more... put them together and you can create a truly impressive series. 33 unique LEGO elements are included; the only other thing you need is standard LEGO elements -- and a little ingenuity!

    Ages: 8 - 12
    Price: $15.95
  23. Tegu 14-Piece Set

    Introduce her to the creative building world of Tegu Blocks with this 14-piece set! Tegu wooden blocks have magnets safely imbedded in each piece, allowing kids to build creatively — even defying gravity! This set, which is available in several colorways, is an excellent starter set, but it's also compatible with any and all other Tegu sets — and like all Tegu Blocks, it's made from 100% FSC-certified beech wood and finished with non-toxic, water-based lacquers.

    Ages: 1 and up
    Price: $34.99
  24. LEGO BrickHeadz Hermione Granger

    With BrickHeadz you can build all your favorite characters — including Hermione Granger! This LEGO BrickHeadz Hermione Granger set includes 127 colorful LEGO bricks that recreate all her iconic details, including her bushy brown hair and Hogwarts tie. She also has a detachable spell book and magic wand, and stands on a buildable collector's baseplate for easy display in your home, office or anywhere you like.

    Ages: 10 and up
    Price: $19.99
  25. LEGO Juniors Elastigirl's Rooftop Pursuit

    In The Incredibles 2, Elastigirl gets to show us her stuff — and with this set from LEGO Juniors, kids can build and play out her adventures! Create a detailed rooftop scene, complete with helipad, helicopter with hypno-propellor, and the Elasticycle. The Elastigirl figure can use her long stretchy arms to chase Screen Slaver across the city! This LEGO Juniors set offers an exciting completed project that's easy for younger kids to build.

    Ages: 4 - 7
    Price: $17.99
  26. LEGO Boost Creative Toolbox

    Kids can bring their creations to life with the LEGO Boost Creative Toolbox! This 847-piece set allows kids to build five multifunctional models, and then learn the basics of coding so they can teach their models to dance, interact, or explore. The easy-to-use LEGO Boost app (which is compatible with many newer phones and tablets, as well as most Windows 10 devices) provides a step-by-step guide to building, and then encourages kids to explore their own ideas.

    Ages: 7 - 12
    Price: $159.95
  27. Kid K'Nex Ocean Pals Building Set

    Build under the deep blue sea with this kid from Kid K'Nex! Like regular K'Nex, these rods and connectors easily click together to build detailed models, but Kid K'Nex are designed for younger builders, with large parts in bright colors, plus appealing accessory pieces like colorful eyes, fins, and tentacles. Follow the instruction sheet to build 20 suggested models, or use your imagination to replicate other ocean creatures — or come up with your own!

    Ages: 3 - 5
    Price: $25.95
  28. Gears! Gears! Gears!

    Gear up for hours of colorful action with this 150-piece set that enables children to create hundreds of three-dimensional construction possibilities. This set features plastic gears, connectors and interlocking bases packaged in a giant storage tub with an Activity Guide. This award-winning kit will keep her building! It's also compatible with additional Gears! Gears! Gears! sets, like this Build and Bloom set, for even more elaborate building fun.

    Ages: 3 - 8
    Price: $39.99
  29. Take Apart Airplane

    Even kids love to use power tools! With the Take Apart Airplane from Battat, kids can assemble and disassemble a colorful plane with a power drill that comes with three different bits. With practice, they'll learn how to optimize their work, practicing their fine motor skills and concentration. It's the perfect toy for any child who dreams of building a real plane someday!

    Ages: 3 - 6
    Price: $17.00
  30. Cordoba Building Blocks

    These whimsical blocks from HABA are colorful on the outside and full of surprises on the inside! A bell, a prism, rattling beads, and a mirror are incorporated into these colorful beech wood blocks, incorporating sensory play into traditional block building fun. This unique set of blocks includes 16 pieces, all of which are finished with non-toxic, child-friendly paint, just in case. You'll be amazed at what your kids create with them!

    Ages: 1 - 5
    Price: $49.49
  31. Green Toys Build-a-Bouquet Floral Arrangement Playset

    Stack lilies, petunias, and daisies to create your own colorful floral arrangement with this inventive building toy from Green Toys! With 44 brightly colored pieces to play with, there are a vast number of combinations to create. Sort by size, color, and shape, or just have fun creating a nice display. Parents will love Green Toys' commitment to the environment: all Green Toy products are made from 100% post-consumer recycled plastic.

    Ages: 2 - 5
    Price: $19.25
  32. Q-Ba-Maze 2.0 Big Box

    Q-Ba-Maze 2.0 from MindWare is a unique system of colorful cubes that interlock to form a marble run. The big difference between this and other marble runs? You can create marble maze sculptures in the form of animals, geometric shapes or any other design! Configurations are unlimited, allowing for unpredictable action when steel balls travel the various routes. It's a live demonstration of probability, physics and art, all in one. This Big Box set includes 72 cubes in five colors, plus 20 steel marbles.

    Ages: 5 and up
    Price: $38.95
  33. Tinkertoy Super Building Set

    Tinkertoys are back and better than ever! This newly redesigned set features plastic rods, but don't worry; it's compatible with the older wooden version, so you can use it to expand your existing set or create your own collection. This 200-piece mix of spools, rods, washers, flags, end caps, and more provides lots of fodder for hours of building fun. The included booklet provides ideas for 30 models, but it won't be long before kids are building their own creations!

    Ages: 3 - 10
    Price: $49.99
  34. Design and Drill Activity Center

    Combine power tools and bright colors with this set from Educational Insights! Kids can follow one of the 20 included pattern cards or come up with their own patterns. With 120 bolts in 5 colors, they've got plenty of inspiration in the box. Three different bits fit both the screwdriver and the drill, and then the included wrench helps them get all the pieces out to start all over again.

    Ages: 3 - 6
    Price: $35.79
  35. Ender-3 3D Printer

    SainSmart's Ender-3 is one of the most affordable, high-performance 3D printers around! This compact 3D printer has precisely manufactured parts that are robust enough to handle use by hobbists, students, and more. The standard brass nozzle allows printing with most types of 1.75mm 3D filaments, including SainSmart's flexible filament, and the large build area allows you to create bigger and more complex models. Whether you're a brand new 3D printer or a hobbyist looking for a workhorse machine, this is the perfect choice.

    Ages: 14 and up
    Price: $229.00
  36. LEGO Education Creative DUPLO Brick Set

    Let toddlers and preschoolers get creative with this box of DUPLO blocks that are perfectly sized to be safe and easy to hold for little hands! This set of 160 blocks in bright colors includes a number of different shapes, including elements with printed eyes, encouraging kids to use their imaginations as they build. A set of 6 double-sided activity cards provides inspiration and ideas when necessary, but you'll be amazed what they build on their own!

    Ages: 18 months - 5 years
    Price: $64.95
  37. PBS Kids Creative Build-It YOXO Kit

    Enjoy open-ended building fun with this eco-friendly set of YOXO building toys! YOXO links and tubes connect easily for lots of creative building combinations. This set includes 112 links and 8 tubes, plus a set of playful eye stickers. Plus, parents will love that YOXO toys are made in the USA from 100% recycled and recyclable materials; the factory is even wind-powered!

    Ages: 4 - 8
    Price: $45.82
  38. Robot Engineer Kit and Storybook

    Learn the basics of robotic engineering with this kit from Thames and Kosmos' Kids First line! Kids follow along with a book as they build non-motorized models of the ten robots in the story, learning about concepts like gear trains and simple machines. Large pieces make it easy for preschoolers to build all by themselves -- and to experiment on their own. For another set for budding engineers from the Kids First line, check out the Amusement Park Engineer set.

    Ages: 3 - 6
    Price: $44.90
  39. Gears! Gears! Gears! Build and Bloom

    You can create a beautiful spinning flower garden with this Gears! Gears! Gears! set from Learning Resources! In addition to the colorful gears, kids have flowers, stems, and even insect components like butterflies, bees, and ladybugs. Slot the gears together and turn the handle to watch your creation spin -- then pull them apart and build something new! You can even combine the set with other Gears! Gears! Gears! sets for plenty of flexible fun.

    Ages: 3 - 8
    Price: $34.28
  40. Little Tikes Big Waffle Blocks Set

    It's easy to build big ideas with the Little Tikes Waffle Blocks! Eighteen blocks slot together in ways that encourage creative building, indoors and out. The 14 by 14 inch plastic pieces are durable enough to hold up to plenty of serious play, and a variety of cut-outs encourage kids to experiment with different possibilities. You'll be amazed at what she can create!

    Ages: 2 - 5
    Price: $94.39
  41. Magna-Qubix 29-Piece Set

    Build in three dimensions quickly and easily with these magnetic shapes from the makers of Magna-Tiles! Twenty-nine translucent 3D shapes, including cubes, square pyramids, triangular and rectangular prisms, and hexagonal prisms spark imagination with their bright colors and their easy assembly. Because the high-quality magnets are embedded in each shape, they're safe for kids as young as 3 to use, and their sturdy construction means they'll hold up to years of exciting building adventures.

  42. LEGO Ideas Ship in a Bottle

    Set your sails for a building challenge with this LEGO Ideas Ship in a Bottle building set!This 962-piece set allows you to build a highly detailed ship, the Leviathan. Construct the captain's quarters, cannons, masts, and more. Then you'll build a bottle using LEGO components, complete with a buildable cork and a wax seal, and a stand complete with a nameplate and a built-in "compass." It's a unique building project that you'll be delighted to display when it's done!

    Ages: 12 and up
    Price: $64.99
  43. littleBits Music Inventor Kit

    Build and customize your own musical instruments with this kit from littleBits! littleBits are modular electronic components that click together without glue or solder, making them perfect for kids to experiment. In this kit, kids will do 12 activities that teach them how to build high-tech instruments like a synth guitar and air drums. Then, play your instruments in a variety of different ways — and take the apart to invent your own. This kit is also compatible with all other littleBits kits, so the only limit is your imagination!

    Ages: 8 and up
    Price: $76.27
  44. Gravitrax Starter Set

    Part track system, part marble run, Gravitrax is a unique way to explore gravity and momentum! By building different levels and experimenting with track styles and features like curves, freefalls, and even a cannon, kids will discover how to control the speed of the ball they drop and make it do truly awesome tricks. With over 100 pieces in the starter set and 18 different building elements, its open-ended design is perfect to encourage budding tinkerers and engineers!

    Ages: 8 and up
    Price: $57.65
  45. LEGO Star Wars Ahch-To Island Training

    Join Rey as she trains with Master Luke Skywalker at his mountainside dwelling. This LEGO Star Wars Ahch-To Island Training set has 241 pieces that allow you to build a hut with a detailed interior and a removable roof section for easy play, a small bonfire, and a rotating training function with an opening boulder with knockaway feature. It even includes a little porg figure to watch the action!

    Ages: 7 - 12
    Price: $23.99
  46. LEGO Elves Rosalyn's Healing Hideout

    Join exciting adventures in Elvendale as Rosalyn Nightshade, the healer elf, aids the elves in their quest and guards the forest with Sapphire the Dragon. This 460-piece set allows you to build Rosalyn's treehouse, complete with unfolding branches that reveal an alchemy station and healing room. In addition to the Sapphire dragon and Rosalyn Nightshade and Naida Riverheart mini dolls, kids will love the unique and imagination-inspiring accessory pieces including potion ingredients, bottles, and a cauldron, as well as baby dragon and baby bear figures!

    Ages: 8 - 12
    Price: $62.98
  47. Quadrilla Cliffhanger Marble Run

    Line up the tracks and blocks and watch your marbles fall with the Quadrilla Cliffhanger marble run from Hape! This set includes a variety of interesting pieces, including spiral gutters that run outside the colored blocks, which extends run time (and looks awesome.) Additional pieces include a wooden vortex and seven different colored blocks, each with a different function. Plus, parents will love the durable heirloom quality birch and rubber wood in this set — and the fact that all of the wood used is from FSC-certified forests.

    Ages: 4 and up
    Price: $68.78
  48. Magna Tiles

    With the Magna Tiles 32 Piece Clear Colors Set from Valtech, the building possibilities are endless! In cool, transparent colors, the Magna Tiles 32 Piece Set includes magnetized pieces of different shapes that attach along their sides to build basic 3D shapes, like cubes and pyramids, or whatever creative designs kids develop. What shapes and constructions can you build?

    Ages: 3 - 8
    Price: $49.99
  49. Green Toys Tool Set

    Whether using the hammer to pound in the nails, or the Phillips and flathead screwdrivers to tighten the bolts, kids love all the do-it-yourself projects that are possible with this set. Even the pliers open and close! Best of all, the pieces fit conveniently into the tool box for easy storage. And parents will love that the pieces are 100% recycled plastic, made in the USA.

    Ages: 2 - 5
    Price: $25.24
  50. Kid K'Nex 131 Piece Set

    Build 8 models with corresponding cards or create your own one-of-a-kind creature using the 131 piece Kid K'Nex set. Great for children with varying manipulative skills. A storage container with lockable lid is included for easy clean-up after the building is done. Your Mighty Girl's building possibilities are virtually limitless!

    Ages: 3 - 7
    Price: $49.99
  51. Makey Makey: The Original Invention Kit for Everyone

    Turn the whole world into a keyboard! Makey Makey is an invention kit for the 21st century. Use your wildest imagination and turn everyday objects into touch sensitive pads — turning bananas into piano keys, or a drawing on a piece of paper into a joystick! You could even make a keyboard out of alphabet soup. Because the computer treats Makey Makey as a regular input device, you can use it with any program or webpage. It's a simple invention kit for beginners or experts doing art, engineering, and everything in between!

    Ages: 3 and up
    Price: $49.95
  52. Magformers 144 Piece Set

    With this massive Magformers set, it's amazing what she'll be able to create! Magformers allow kids to build surprisingly complicated 2D and 3D shapes in a snap with pieces that attach with magnets that always attract, so kids don't get frustrated. With squares, pentagons, multiple sizes and shapes of triangles, and even fun building accessories like wheels, there's a world of possibilities in this set.

    Ages: 6 and up
    Price: $174.99
  53. Georello Kaleido Gears

    This brightly colored set of gears lets kids experiment with basic principles of mechanics in a way that feels like a game! Connect the interlocking base pieces, put together the three different sizes of meshing gears, then attach the crank and see what happens. Parents will love that the sturdy plastic pieces are easily washable, while kids will enjoy the flexibility that this building kit provides. Get spinning!

    Ages: 3 - 6
    Price: $24.95
  54. Standard Unit Blocks

    Unit blocks are a classic toy for a very good reason -- it's amazing all the things kids can build with these deceptively simple shapes! These smooth sanded hardwood blocks are comfortable in the hand and easy to stack, and come in a variety of creativity inspiring shapes including arches, columns, and more. 60 blocks are included, providing plenty of materials for kids with big plans! This set also neatly packs away in a wooden crate for when building time is done.

    Ages: 3 - 8
    Price: $45.99
  55. Structures

    With Keva Structures there's no glue or connectors required -- simply stack wood planks to create buildings, monuments and geometric forms. Keva pine planks are precision cut blocks that stack and stack with surprising stability. It’s the ideal activity to help kids gain an understanding of balance and proportion, as well as an interest in architecture, building and design.

    Ages: 4 - 12
    Price: $49.95
  56. Super Saxoflute

    The Quercetti Super Saxoflute has been in a favorite for generations! This 24 piece set features 2 mouthpieces, 2 trumpet ends and twisting tubes. Hook the pieces up any way you like to create an interesting and fun horn. It is made of unbreakable ABS plastic and is compatible with Quercetti Tubation. Let the musical madness begin!

    Ages: 3 - 6
    Price: $16.99
  57. Amusement Park Engineer and Storybook

    Get her excited about engineering as she plans the perfect amusement park! This 97 piece hands-on science kit includes an illustrated storybook that guides kids through building 20 models, including a roller coaster, a Ferris wheel, a seesaw, and much more. It's an engaging way to introduce preschool and early school-aged kids to the engineering concepts behind their favorite rides.

    Ages: 4 - 8
    Price: $46.55
  58. LEGO Ideas NASA Apollo Saturn V

    Enjoy a building challenge -- and a tribute to NASA's Moon missions -- with this massive three-foot LEGO model of the NASA Apollo Saturn V rocket! At 1,969 pieces, this set provides a fun building challenge packed with authentic details: it features 3 removable rocket stages, including the S-IVB third stage with the lunar lander and lunar orbiter. With The set includes 3 stands to display the model horizontally, 3 new astronaut micro figures for role-play recreations of the Moon landings, and a booklet about the manned Apollo missions.

    Ages: 14 and up
    Price: $119.99
  59. Master Tool Workbench Play Set

    Calling all budding carpenters! The Master Workbench play set includes all the tools your would-be builder needs: hammer, saw, screwdriver, wrench, vice, angle, screws, nuts, bolts, gears, links and more. The bench is even height-adjustable so it can grow along with her. Plus, kids will love the bright, cheerful colors. For some extra fun, add Hape's Kids' Wooden Tool Box Set which includes more screws and wood pieces to add to your building play.

    Ages: 3 - 6
    Price: $95.52
  60. Wonder Workshop Dot Robot Creativity Kit

    With the Dot Creativity Kit from Wonder Workshop, you can turn Dot the robot into just about any character that you can imagine -- and then program Dot's behavior to match! With over 100 stickers and 10 costumes, you can create a truly unique robot. Then, follow along with the 20 activity cards to play robot-enabled games like Duck, Duck, Goose or Hot Dotato! This robot is compatible with most newer Kindle, iOS, and Android devices.

    Ages: 6 - 10
    Price: $79.99
  61. littleBits Base Inventor Kit

    With the Base Inventor Kit from littleBits, creative kids have everything they need to turn their ideas into inventions! littleBits are modular electronic components that connect with no glue or solder, making them a quick and easy way to prototype. With a range of bits that move, light up, and make noise, kids will try 12 different projects, including a voice-activated robotic gripper arm and a room-protecting Intruder alarm — then, they'll come up with their own inventions! Plus, this set is compatible with all other littleBits sets, so you can build her collection as much as you'd like.

    Ages: 8 and up
    Price: $59.97
  62. Klutz LEGO Gadgets

    Klutz and LEGO pair up with this kit that encourages you to build all sorts of wacky gadgets! Inside this set is a 78-page project book that guides you through using the 58 LEGO elements to build 11 machines, including a gravity powered car and a boxing robot. Once you've built the step-by-step projects, you can use the principles you learned and the open-ended prompts in the guide to invent your own gadgets!

    Ages: 8 - 12
    Price: $19.16
  63. Real Projects Workshop

    Encourage busy hands to learn to build with a Step2's Real Projects Workshop. This great activity bench includes a conveniently-sized work bench, realistic "wood" foam building pieces, and tools to assemble them. "Wood" pieces assemble easily with interlocking notches and holes to add screws and nuts. The perfect way to encourage your future Ms. Fix-It!

    Ages: 3 - 7
    Price: $52.53
  64. Classic Embossed Alphabet Blocks

    These embossed alphabet blocks from Uncle Goose will look familiar -- they're patterned after wood blocks from the beginning of the 20th century! 28 blocks in this set feature beautifully crafted and painted letters, animal pictures, numbers and math symbols, for a total of four complete alphabets and lots of additional play options. These Michigan-made blocks are painted using non-toxic, vividly colored inks for the perfect finishing touch.

    Ages: 1 - 5
    Price: $32.95
  65. Wood Castle Blocks

    The TreeHaus wood blocks bring the fantasy world to learning and play time. Your child can build exciting castles with bridges, turrets, arches, and towers while learning and adventuring at the same time and enjoy hours of creative fun. The set includes 60 durable blocks of varying shapes and sizes made from solid, all-natural wood.

    Ages: 3 - 10
    Price: $29.97
  66. Fantasia Blocks Train

    This beautiful maple train for Educo by Hape is actually a building block set! 17 maple blocks in bright colors and patterns go together to create a fun train set for preschoolers. Kids will love using their imaginations to customize their train; parents will love the child-safe materials and finishes and Hape's commitment to quality.

    Ages: 2 - 4
    Price: $21.32
  67. DUPLO Basic Bricks

    When toddlers are dying for their older siblings' LEGO, give them DUPLO! These chunky-sized blocks are safe and easy to manipulate for toddlers and preschoolers, but come in the same bright colors and size ratios as regular LEGO blocks. This 80-piece set of basic rectangular and square bricks is the perfect starting point for your DUPLO collection -- or, use it to expand the sets you already have.

    Ages: 18 months - 5 years
    Price: $18.39
  68. LEGO Architecture New York City

    Celebrate the distinctive skyline of New York City with this 598-piece LEGO Architecture set. The pieces in this set allow young builders to replicate the Flatiron Building, the Chrysler Building, the Empire State Building, One World Trade Center, and the Statue of Liberty. The set includes a decorative tiled based with a New York City nameplate. An included booklet includes architectural information and historical facts -- perfect for budding builders and architects!

    Ages: 12 and up
    Price: $47.99
  69. Tumble Trax Magnetic Marble Run

    Put a new twist on the classic marble run with this magnetic version that attached to a fridge door or magnetic board! Create your own path and watch the "marble" roll down, or challenge yourself to duplicate one of the designs from the activity cards. Kids will have fun exploring how they can change the marble's roll by adjusting the height and angle of the pieces. Plus, since all the pieces are flat, it's easy to store!

    Ages: 3 - 8
    Price: $18.74
  70. LEGO Education DUPLO Build Me Emotions

    Combine building fun with emotional awareness and empathy with this set of DUPLO blocks! With a variety of colorful blocks, kids can build people with faces indicating all kinds of emotions. The clear, distinct expressions make it easier for kids to identify what emotion each figure represents; then, for added pretend play fun, they can play out a story that explains why their characters feel the way they do.

    Ages: 3 - 5
    Price: $69.95
  71. Tall-Stackers

    Kids can build to the skies with these Tall Stackers pegs from Lauri! 25 colorful pegs neatly tuck together to stack and build higher than kids have ever built before. Stabilize them in the 8" square crepe rubber pegboard base, which has 36 holes so that kids can create a variety of designs. A list of suggested activities is included to get kids started, but we'll bet they'll be building on their own in no time.

    Ages: 2 - 5
    Price: $13.27
  72. LEGO Minecraft Chicken Coop

    Have fun tending to the chickens with the LEGO Minecraft Chicken Coop, featuring an elevated henhouse that delivers eggs directly into a chest! This 198-piece set is designed for young fans of the highly successful video game, and introduces them to some more complex building techniques. This set comes with an Alex LEGO Minecraft minifigure, plus baby chicken and tamed wolf figures, and 2 chicken figures. For a larger set featuring Alex, check out the LEGO Minecraft Bedrock Adventures set.

    Ages: 7 - 14
    Price: $15.99
  73. Snap Circuits Light

    Make your own light show that connects to your personal music collection with this great kit from Snap Circuits! LEDs, strobe lights, fiber optics, and glow-in-the-dark fans can all be connected with your MP3 player in a variety of layouts. Work with this set alone, or combine it with other Snap Circuits sets to learn more about electrical engineering!

    Ages: 8 and up
    Price: $47.46
  74. Snap Circuits Extreme

    Kids love the Snap Circuits modular electronics kits, and this set is the one to top them all! Over 80 pieces allow you to build an amazing 750 different projects -- and that's just the ones in the guide. Once kids have learned the principles, they can start creating their own circuits with ease, since the snap-together components require no soldering. Any budding electrician or electrical engineer will get hours of fun and experimentation out of this amazing kit.

    Ages: 8 and up
    Price: $87.49
  75. Squigz Deluxe Set

    Squigz are fun little suckers! This unique building toy features flexible, suction-cup-ended pieces that squish together and pop apart. They also stick to almost any surface, including tabletops and windows -- and, since they're waterproof, you can even take them into the tub for bathtime building fun! The deluxe set includes 50 Squigz in a variety of bright colors. Younger siblings can get in on the fun with pipSquigz (6 months - 2 years).

    Ages: 3 - 8
    Price: $49.95
  76. Remote Control Machines: Animals Science Kit

    Construct a whole world of mechanical animals with this great kit! Build the mechanical skeleton, then cover it with a flexible plastic "skin" to make it look like the real thing. Among the eight robotic animals, you'll build a waddling penguin, a leaping rabbit, a walking elephant, and even a bipedal T.Rex! Once you're done building the suggested models, see what other ideas you can come up with. It's a fun way to combine engineering and biomechanics.

    Ages: 8 and up
    Price: $34.90
  77. LEGO Education Creative Brick Set

    This impressive creative brick set provides plenty of colors, sizes, and shapes to prompt building and discovery! With 1,000 bricks included, the set allows children to imagine and create all sorts of figures, objects, and buildings. Children develop fine motor skills while constructing, and the building cards will support and inspire their creativity. Serious LEGO builders will be thrilled to have a wider selection of the 2X4, 2X2, and 1X2 blocks that always seem to run out too soon.

    Ages: 4 - 12
    Price: $59.95
  78. LEGO Creator Robot Explorer Building Kit

    Build three different fun robot designs with this set from the LEGO Creator line! With the same 203 pieces, you can build the Robo Explorer, as well as a Robo Dog and Robo Bird. All three have movable pieces and feature a unique azure, black, and grey color scheme. The set even includes a light-up brick element for fun glowing effects! For another fun 3-in-1 LEGO Creator kit, check out this Mighty Dinosaurs set.

    Ages: 7 - 12
    Price: $20.69
  79. K'NEX Education: Renewable Energy

    Explore renewable energy with this set from K'Nex Education. 583 pieces allow kids to build multiple models that teach them out we can generate electrical power from wind, water, and solar energy. The step-by-step instruction manual encourages kids to develop STEM skills and shows them the importance of eco-friendly energy!

    Ages: 10 and up
    Price: $143.79
  80. City Engineering and Design Set

    Explore engineering and design with this kit from Learning Resources! As kids work through the included activity cards, they'll learn to complete engineering challenges, building their problem-solving skills and their understanding of key principles of design and architecture. Fans of this set can also check out the Tree House Engineering and Design Set and the Skate Park Engineering and Design Set.

    Ages: 5 - 10
    Price: $19.82
  81. City Building Blocks with Playscape

    Calling all aspiring architects! She can build the city of her dreams with this colorful set that comes with a detailed playscape to inspire her plans. Special blocks for a hospital, school, police station, and market encourage imaginative play with the included figures like a doctor and firefighter. There's no end to the fun in her very own city!

    Ages: 1 - 4
    Price: $43.16
  82. Magformers Sky Track Creator Set

    Take Magformers to new heights with this set that lets you build a curving, looping track for the included sky shuttle! Each shape connects with embedded magnets that never repel one another, so building is easy. Your shuttle can do a 360 degree spin, climb a lift elevator, pass over a seesaw, and more! You can even start and stop it with the push of a button. It's the perfect choice for any budding engineer.

    Ages: 3 and up
    Price: $117.64
  83. LEGO Classic Mission to Mars

    With this LEGO set, kids get a wide selection of bricks, wheels, and accessories, perfect for exploring all the different ways they can build! This 871-piece set includes unique pieces like a parrot, a wrench, flippers, and a knights's sword — perfect for inspiring some imaginative building — plus colorful bricks that you can use to build a space shuttle, a pirate ship, and more. It even includes a special edition tile in honor of LEGO's 60th anniversary.

    Ages: 5 and up
    Price: $61.74
  84. K'Nex 618 Piece Value Tub

    The K'NEX 618 piece Value Tub is ideal for children who love to play with building sets. Kids get 618 classic K'NEX rods and connectors, all stashed in a handy storage tub. This building set includes details on how to construct 50 unique models, including a fire truck with ladder, a tank, a windmill, and even a giraffe! Once they've got the knack of constructing with K'NEX, they can throw away the manual and explore their own creative building ideas.

    Ages: 7 - 11
    Price: $38.56
  85. WEDGiTS Imagination Set

    Wedgits offer creative challenges to the aspiring young engineers and scientists in your family. The open ended design stimulates children's perception and reasoning skills as they experience different ways to stack, nest and align these rhombus and octahedron shaped toys. Bold primary colors make it easy to sort pieces by size and shape and to replicate builds from the design booklet. Create sculptures, mechanical creatures, and more!

    Ages: 3 - 8
    Price: $27.97
  86. K'Nex Intro to Structures: Bridges

    Would be architects and engineers will be fascinated by K'Nex's introduction to bridges! By building 13 different bridge models, kids will learn about beam, truss, and arch construction, cantilevering and suspension, and so much more. The 207-piece set can be used by up to 3 kids working together, and the set includes a plastic storage case and a Teacher's Guide on CD.

    Ages: 8 - 13
    Price: $37.99
  87. LEGO Education Community Starter Set

    Team up with friends to build a whole community with this set from LEGO Education! A staggering 1,907 pieces allow multiple kids to work at once, building everything from theme parks to restaurants to zoos — complete with people and animals. In addition to challenging their building skills, this set allows kids to explore community roles and play out elaborate, city-wide pretend play stories. Up to six can play at once!

    Ages: 4 and up
    Price: $214.95
  88. Pepper Mint in The Great Treehouse Engineering Adventure

    In this story-based STEM kit from Thames & Kosmos, Pepper Mint is visiting her primatologist aunt in the jungles of Borneo. The treehouse where they're staying is not connected to the electrical power grid, but Pepper and her aunt devise various mechanical inventions, from a rope ladder to a pulley to lift heavy objects into the treehouse to a rotating palm leaf umbrella, and more. This kit includes all the materials to build the treehouse and do the projects, a full-color illustrated storybook and step-by-step instruction manual, and a scale Pepper Mint figure.

    Ages: 8 and up
    Price: $29.99
  89. LEGO Mindstorms EV3

    Combining the versatility of the LEGO building system with the most advanced technology we've ever developed, the new LEGO Mindstorms EV3 set allows you to create and command robots that walk, talk, think and do anything you can imagine. Follow the building instructions to create TRACK3R, R3PTAR, SPIK3R, EV3RSTORM and GRIPP3R, or make your own creation, and bring them to life with an easy, intuitive and icon-based programming interface. What will you create?

    Ages: 10 and up
    Price: $339.67
  90. Around The House Tool Set

    Encourage your budding do-it-yourselfer with this high quality 31-piece tool set! These tools are made with slender handles to be more comfortable in smaller hands, but they're just as tough as regular tools. The set includes a hammer, a wrench, a level, a multi-bit magnetic driver, and more, all tucked in a handy 18 pocket tool bag for easy storage. Add a tool belt and she'll have everything she needs to tackle projects of her own!

    Ages: 8 and up
    Price: $31.80
  91. littleBits Rule Your Room Invention Kit

    You can rule your room with this fun set from littleBits Electronics! This prototyping kit lets you build touch-activated inventions like a Burglar Buzzer, a Top-Secret Safe, and more, all without soldering or gluing. Components in this set include a potentiometer, a buzzer/speaker, a sound sensor, and more; once you've built the 8 included projects, let your imagination run wild and create your own gadgets! This set is compatible with all other littleBits kits.

    Ages: 8 and up
    Price: $75.49
  92. LEGO Star Wars BB-8

    Build the loveable BB-8 droid with this awesome 1,106-piece set from LEGO! This incredibly detailed model will challenge your building skills, with its rotating head, opening access hatch, and extendable welding torch. The set includes a desk stand, a plaque, and a small BB-8 figure, perfect for LEGO and Star Wars fans alike. For more products featuring BB-8 and other characters from the new Star Wars trilogy, visit our Rey Collection.

    Ages: 10 and up
    Price: $64.99
  93. littleBits Star Wars Droid Inventor Kit

    Create your own custom Droid -- and learn a little about inventing and prototyping -- with this Star Wars Droid Inventor kit from littleBits! With the free Droid Inventor app, kids will give their R2 unit some new abilities over 16 missions. Then, they can use the easy littleBits components to experiment with their own inventions! This set is compatible with all other littleBits sets, so the limit is your imagination.

    Ages: 8 and up
    Price: $86.23
  94. K'Nex 3-in-1 Classic Amusement Park Building Set

    You can run your own amusement park in your playroom with this set from K'Nex! Using the 744 included classic K'Nex parts and pieces, you can build three different amusement part rides, including a nearly 3 foot tall Ferris wheel, a thrilling boom ride, or a swirling swing ride. Each ride can be connected to the battery-powered motor so it moves just like a real amusement park. Then, kids can explore their own ideas by using the pieces to create their own wild rides! It's sure to inspire hours of building fun.

    Ages: 9 and up
    Price: $47.72
  95. LEGO BrickHeadz Go Brick Me

    You can get LEGO BrickHeadz for plenty of characters — but with this set, your BrickHeadz figure will look exactly like you! This 708 piece set includes enough piece to assemble two BrickHeadz figures of your own design. Plus, they're compatible with all regular LEGO bricks, so you're not limited by what's in the box. You can make them look like yourself, someone else you know, or any character you can imagine!

    Ages: 10 and up
    Price: $31.70
  96. The Big Engineering Makerspace

    The Big Engineering Makerspace from Thames & Kosmos is part science kit, part inspirational building kit! As kids work their way through the five chapters in the 128-page manual, they'll explore a variety of different physical principles and engineering concepts, including buoyancy, wind power, gears, pneumatics, hydraulics, optics, and much more. The 258 modular pieces build 20 models from the manual, but can also be used for kids to invent their own machines. Best of all, batteries are NOT required, so she can get building right out of the box!

    Ages: 8 and up
    Price: $55.00
  97. Build and Store Block and Activity Table

    This multipurpose activity table is the perfect play space for drawing, building, and so much more! With tons of storage spaces and removable block plates, you can easily switch from building to crafts to coloring. Two included base plates work with Lego or Mega Blok toys, while the four cups and two trays included with the table helps you keep all your bits and pieces organized. Just add one kid with a big imagination!

    Ages: 3 - 5
    Price: $89.98
  98. littleBits Gizmos and Gadgets Kit

    With littleBits, budding inventors, designers, and tinkerers can let their imaginations loose -- and with the Gizmos and Gadgets set, you can really get their creative juices flowing! Modular pieces include a light sensor, a fan, a wireless transmitter and receiver, and a servo. Because pieces snap together quickly and easily, without soldering or glue, kids can easily swap parts around when something doesn't work as planned. Use it alone or in combination with other littleBits kits.

    Ages: 8 and up
    Price: $220.55
98 items