Aero Science Combo Set (5-in-1) Motor Plate 2-Speed Clutch Ball (

2-Speed Clutch Ball (

2 inch wheels

Four aluminum straight lower links

Input Voltage Range: 3-4S LiPo

braces and shock towers

Aero Science Combo Set (5-in-1) Motor Plate 2-Speed Clutch Ball (Fly a plane, launch a rocket, build your own egg parachute, or power two different helicopters using a rubber band. Each activity comes complete with instructions and a learning booklet to teach users about the science behind each item. Try out each activity on your own or share with friends! Learn while you play! Each activity comes complete with instructions and a learning booklet to teach your child about the science behind each item. Five