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...

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...

Experience the future of transportation with RoboRails! This compact robot uses a fast-moving internal gyroscope and clever ball-bearing weights to...

Make STEM learning fun with SolarBots: Cosmic Explorers! Assemble 5 solar-powered robots with the easy and colorful building system and step-by-ste...

Open your ears, Hero hears everything! Through its three directional microphones, this robot perceives and reacts to sounds. Have fun with Hero’s f...

The power of wind makes them go - and you'll have fun building 6 awesome bots that move without any batteries at all. Easy, snap-together assembly ...