4M - Rocket Racer Construct a racing car that employs the principle of the rocket. Be amazed by its blasting power and how it demonstrates Newton's laws of motion. Powered by water and air pressure applied by a bicycle pump(not included), it can travel more than 30 meters. Features: - Assemble a racing car - Powered by water and air pressure Specifications: - Ages: 4 years and older - Dimensions: 220cm x 290cm x 60cm - Weight: 560g