Catalog > Consumer Electronics > Kits > Various Kits Exlporing Kid Air Powered Car Kit Exlporing Kid Air Powered Car Kit EDU-TOY AIR POWERED CAR Exlporing Kid Air Powered Car Kit, uses Compressed Air to Push the Piston to Move Backward, and the Piston Rod Drives the Rack and Gear to Rotate to make the Trolley Move Forward Quickly, Understand the Principles of Pressure, and Kinetic Energy, For ages 216.60 ZAR inc for 1 Each 9 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This product uses compressed air to push the piston to move backward, and the piston rod drives the rack and gear to rotate to make the trolley move forward quickly. Understand the principle and application of increasing air density to convert gas pressure energy into kinetic energy through experiments. Features Size : 225*165*50mm