I built a working gumball vending machine entirely out of LEGO bricks. It takes real coins and gives out real candy. No motors, no tricks — just LEGO and clever design. Watch to see how it works!

We're used to vending machines plunking out a soda, a bag of chips or a favorite candy bar. But what about dispensing a new book? That's the novel approach about a half-dozen Des Moines Public Schools ...