You don’t have to be a grownup to have a really great idea! Check out the amazing things the 18-and-under set dreamed up.
If you love to bounce, you can thank George Nissen. At age 16, he invented the trampoline after watching trapeze artists drop into the safety nets beneath them. He thought it would be cooler if they could bounce out of the net instead. The trampoline is nearly 90 years old; it was invented way back in 1930.