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...

Curious kids build a loyal robotic reptile buddy that responds to gestures, changes colors, and automatically fires and retracts its tongue! This c...

Make learning exciting, conducting 15 simple circuit experiments, then building 5 motorized models that move in cool ways. The 32-page manual shows...

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...

How many ways can you design a gumball machine? There's no limit here! Place the pieces in different configurations–turn the handle and see if your...

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

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 ...

Included in TIME's Best Inventions of 2024 list! Move over boring marble runs, there's a new kit in town. Witness physics in action with this innov...

See them erupt with excitement building a realistic volcano scene. This giant cardboard and plaster model is classic earth science learning at its ...

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...

Investigate physics using technology from medieval times! Build six sleek, updated models of catapults, trebuchets, and other medieval launchers. T...

Curious kids experiment with strength and stability, building 20 models that demonstrate mechanical physics or structural engineering principles. T...

Who said chemistry is boring? How about creating an underwater volcano or a rainbow in a test tube? This amazing lab is the real deal, with cards f...

Say hello to the most adorable vacuum you've ever seen! Future robotics engineers build their own cleaning friend using the illustrated instruction...

Celebrate Earth Day and the beauty of spring by building a gorgeous solar flower! This STEM kit guides ages 8+ through assembling a sapphire blue r...

Move over boring marble runs, there's a new kit in town! Witness physics in action with an innovative, flexible system of tracks that includes ever...

Future mechanical engineers supercharge their STEM learning while assembling 5 cool solar-powered robots! The easy-to-use building system and step-...

Future engineers fly into physics fun building 5 awesome models driven by a rubber band powered propeller. Using ultralight plastic and bamboo part...

GECKO MARBLE RUN DELUXE STARTE

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

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...