Toys - Building

Game on! The Gecko Run Challenge Edition includes everything you need to challenge yourself or others to a marble-run-building competition. With 32...

The impact of mechanical engineering is all around us. This broad, dynamic field encompasses the design, development, and testing of basically anyt...

Read the fun story of two young engineers, Ty and Karlie Omega, and build simple models of the aircraft they discover on their hilarious family vac...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

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

Read the funny story of two inquisitive young engineers, Ty and Karlie, and their family’s robots, Huxley and Remus. Build simple models of the boa...

Gears make things move! Join Ty and Karlie — the young engineers featured in the other Kids First early engineering kits — to build four awesome ge...

Grab your tools, it’s time to get building! Learn how to use tools and build your own workbench with this introductory mechanical engineering kit f...

Physics Pro is the biggest, most advanced physics kit. With this kit, you can continue your study of statics and dynamics and begin your study of m...

Step right up and try your luck! Do you have what it takes to grab a claw-full of candy with the Candy Claw Machine? Experiment to develop your mot...

Build and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusemen...

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...

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. 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 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 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...

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