13+ years

All a-board! Lay down tracks to run your trains across America's cities, from New York to San Francisco. Compete with other players to gather train...

Have a blast with this awesome engineering project! Construct an air-powered robotic glove that launches safe foam darts. Learn about pneumatics — ...

Make six beautiful-smelling soaps with this DIY kit using real dried flowers and scented dyes. Everything needed including molds and non-toxic supp...