THAMES & KOSMOS

How cool is it that the mainspring stores energy, then converts it to motion? Discover the physics of potential and kinetic energy and the inner wo...

Volcanoes erupt with earth-shattering power! Build this giant, foot-tall model from plaster and cardboard and watch flowing red 'lava' spew from it...

The principles of air pressure and suction are fascinating, but not as awesome as a beetlebot you build that can scale walls! Includes a colorful 8...

Future engineers feel what it's like to build and control a state-of-the-art remote operating robot! They'll enjoy the focused work of building thi...

Finally, an adorable robot! When kids assemble the 172 pieces, they won't realize they're learning about gears, motors, and sound sensors. They wil...

Move over boring marble runs, there's a new kit in town! Witness physics in action with this innovative, flexible system of tracks. Thanks to nano ...

This astonishing wall-climbing robot has a motorized air suction syeducational that enables it to walk vertically up and down perfectly smooth surf...

Get future engineers on track for STEM learning with this model train set of the future! They'll enjoy the focused work of building this 186-piece ...

Lost your marbles? Get more! This is a pack of 7 metal replacement marbles for the Gecko Run marble run system.

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

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

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

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

For candy loving scientists, here's a fun way to experiment with physics in action! A step-by-step illustrated instruction manual guides clever kid...

Move over boring marble runs, there's a new kit in town! Witness physics in action with this innovative, flexible system of tracks. Thanks to nano ...

If your tween or teen has a fascination with all things steampunk - or trains in general - then this kit is for them! Young engineers put on their ...

Looking for a fun and educational activity about solar power? Future engineers will be impressed as they construct this sleek, compact race car - i...

Welcome to the fascinating world of mechanical engineering! Make 8 motorized robots that move in different ways while exploring how each one uses g...

This amazing lab is the real deal! Create an underwater volcano, or a test tube rainbow, or do any of the 20 safe, educational experiments. This wi...

An easy-to-read storybook and 53 different parts let preschoolers build 10 robots, while developing simple engineering skills. Follow the funny adv...