Create one of the coolest race cars around! The Cosmic Jet Racer is actually powered by a balloon! This fun hands on kit includes everything needed to create two awesome Jet Racers. Kids ages 7 and up can customize two racers and challenge their friends to race against them. This is a unique and exciting introduction to Newton's principles of motion! Who said science wasn't cool? Brought to you by 4M. Ages 7 yeras and up.