Build & Explore!

These brightly colored safari animals are a wonderful introduction to magnetic discovery for toddlers. The soft animal fronts and backs click easil...

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

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

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...