Toys - Building

This set includes one gray and one blue baseplate. Expand your creative possibilities with the Plus-Plus baseplate! This durable platform can be us...

This baseplate set contains 1 blue baseplate 60+ pieces to build an ocean scene, or make your own design Plus-Plus is a whole new class of constr...

This baseplate set contains: 1 gray baseplate 60+ pieces, to build your own Lunar surface, or make your own design. Includes new metallic and glow-...

This tube contains 70+ pieces and instructions to build a Lunar Lander. Collect all the Plus-Plus Apollo 11 items to recreate the entire mission! P...

This tube contains 70+ pieces and instructions to build an Astronaut. Collect all the Plus-Plus Apollo 11 items to recreate the entire mission! Plu...

Build unique robots that are powered by the sun — batteries not required! Using a compact solar panel, these cool little bots harness energy from t...

What can you design and build? Try your ideas out with the ultimate Activity Set, including tools and new parts to inspire construction! All wood i...

Design, build and rebuild again with the perfect building toy to test the minds of budding engineers. The 34587 Builder Construction Set contains a...

STEM experiment kit to assemble a 20 piece dinosaur skeleton with plastic base. With this kit you can build a 26-inch-long scale model of a T.rex a...

Measure, construct, launch & bombard! Building Brain Power: Sharpen essential skills like measuring, following directions and turning two-dimen...

STEM Experiment Kit. Make cars race, boats motor, and planes fly with rubber band power. Build five models using ultralight parts and a rubber band...

Stop-motion animation is awesome... and easier than ever! Make 10 step-by-step mini movies with LEGO bricks and mini figures!  Features real anima...

Choose a picture...insert color glow pegs...watch them light up! Create beautiful pictures with light! Contains 200+ glowing pegs in brilliant colo...

Experiment with the physics of air pressure and suction by building a wall-crawling Gecko and 6 other mechanical models.  Geckobot climbs smooth, v...

Investigate physics using technology from medieval times! Discover the physics of projectiles by building 5 different crossbows, 5 catapults and tr...

Parents' Choice Recommended STEM experiment kit. Take a journey around the world with motorized robots! Build a series of adorable, motorized robot...

Parents' Choice Recommended STEM experiment kit. Build ten wild off-road vehicles and other machines while learning about belt drives, wheels, and...

STEM experiment kit. Make five awesome machines and learn about the physics of force, motion and energy. Construct a rubber band-powered race car t...

STEM experiment kit. Build five fun gadgets and learn about gears and transmissions.  Create a helicopter model with a rotor that spins using a rub...

STEM experiment kit is an add-on pack that contains 8 new robots!  Build and code robots to solve engineering challenges!  Includes a catapult, wal...

STEM motorized experiment kit. Unique gearing system and reversible motor drives the models in two directions. Get hands-on with physics and engine...

STEM motorized experiment kit. Build mechanisms that use linkages to wriggle, walk, pump, swing, flap, and roll! Construct ten out-of-this-world ma...

STEM complete introduction to programming kit with 30 coding lessons. Easy as peanut butter and jelly! Cover these fundamentals:  Sequences, Loops,...

STEM experiment kit is an introduction to mechanical physics. Jumpstart your study by learning all about simple machines and how they're used to ma...

With hundreds of building pieces and more than 20 models and experiments, The Big Engineering Makerspace is a comprehensive and ambitious STEM expe...

Soaring spires, towering arches, fascinatingly complex curves and angles! Build your foundation in architectural design with this fascinating STEM ...

Do you ever wonder how bridges span huge distances and how skyscrapers stay standing? Structural engineers use physics and their knowledge of the p...

Move up a level! The Jumper lifts your marble to a higher level and at the same time creates a transit tunnel.  Combine the Jumper with your GraviT...

Create the element of surprise! Use the Tunnels to hide the marbles as they travel through your track. Combine the Tunnels with your GraviTrax Star...

Stop, collect, and release! Round up your marbles with the Tip Tube and set them free again! Combine the Tip Tube with the GraviTrax starter-set an...

Trigger the flip! Transport you marble up a level and fling it in the opposite direction! Combine the Flip with the GraviTrax starter-set and trigg...

Cause and explosion! The Volcano unleashes new energy into your track system! Combine the Volcano with the GraviTrax starter set for even more acti...

Raise your track to new heights! Press the lever as a marble enters the Lifter at the bottom to release the marble at the top. Combine the Lifter w...

Hammer it home! Give your ball fresh momentum with the Hammer to make travel further. Combine the Hammer with your GraviTrax starter-set for even m...

Boost your speed using Magnetic Force! Send you balls to spectacular heights and speeds and extend their travel with the Magnetic Cannon. Combine t...

Send your ball for a loop! With the Loop you can turn the world upside down. Combine the Loop with your GraviTrax starter-set for even more action ...

Extend your run! With this set you can take your run to a whole new level. Combine the vertical block, curves and tracks with your GraviTrax starte...

Expand your possibilities! This kit helps extend your run by combining additional base plates and other construction elements with your GraviTrax s...

The Amber Box from Ugears, the older sister of the Antique Box, is just as beautiful and fascinating as her little sister, but even more sophistica...

Delicate, and beautiful, the Antique Box from Ugears is designed to keep your treasures safe – and to become a treasure of your collection. The Ant...

The very essence of Steampunk, the 3D puzzle “Steampunk Clock” from Ugears is here to remind you of the true spirit of this unique style combining ...

Fascinated by the unique synergy of nature and mechanics, Ugears continues to explore the amazing world of automatons and presents its latest mecha...

This mechanical model for collectors contains 300 pieces to assemble. Scale 1:24. Made in Ukraine. ⚠️WARNING: CHOKING HAZARD - Contains Small Parts...

This mechanical model for collectors contains 169 pieces to assemble. Scale: 1:80. Made in Ukraine. ⚠️WARNING: CHOKING HAZARD - Contains Small Part...

This baseplate set contains: 1 tan baseplate 60+ pieces to build an savanna scene, or make your own design Plus-Plus is a whole new class of cons...

This model for collectors contains 541 pieces to assemble. Made in Ukraine. ⚠️WARNING: CHOKING HAZARD - Contains Small Parts, Contains Sharp Parts....

This mechanical model for collectors contains 537 pieces to assemble. Scale: 1:24. Made in Ukraine. ⚠️WARNING: CHOKING HAZARD - Contains Small Part...

If you have trouble deciding what to do with your day then the Dynamometer is just the machine for you. Similar to our Pneumatic Engine, this model...