STEM Focused

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...

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...

Jumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through 2...

Enjoy gardening at your fingertips with a miniature desktop greenhouse and tiny gardening tools! All you add are soil, water, and your choice of se...

Discover how Neil deGrasse Tyson became one of the world’s most successful and well-known scientists in this new addition to the #1 New York Times ...