$25 to $50

Build and program an adorable robotic gecko that climbs smooth vertical surfaces using suction cup feet and innovative gear mechanics. This hands-o...

Never too young to be a visionary. Create even more robots with Roboflex Plus! The new, flexible, extendable magnetic bars add an extra dimension t...

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

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...

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 ...