$20 to $50

Power up for after school play with a spark of STEAM learning! This little robot has funny sounds and lights and can hit lightning speeds as kids l...

Get in the ring for learning about hydraulics with this set of 2 boxing bots! Future engineers will enjoy the focused work of this challenging 327-...

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

Build your own mechanical hand, slip it on like a glove, and get a grip, without motors or electricity. It uses hydraulic power to simulate the mov...

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...

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 ...

No batteries? Correct! Build 8 sun-powered robots including a crawling bug, a somersaulting armadillo, a roaring dino, a tank, drummer, and more wi...

Rack up serious points by launching the three magnetic, silicone discs at this far out dartboard. Place it on a wall or lay it on the ground. Folds...

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...

This is where you draw the line–and your mini robot follows it. Command an inductive bot (with glowing LED eyes!) over patterns you create, competi...

Construct your air-powered robotic hand that fits like a glove and prepare to blast off! This amazing engineering project uses pressurized air and ...