This Green Science Salt Powered Truck introduces you to eco-friendly science – turning salt water into fuel before your eyes! Build this truck and prepare its battery for action, then add some salty water and watch the truck go. The set includes the truck body, four wheels, a spoon, an axle with a gear, a battery cartridge, a sachet of active carbon, a motor with wires and contacts, a dropper, a cup, four magnesium sheets, four fabric sheets, two copper sheets and instructions. About the range: - Green Science teaches the principles of renewable energy and encourages children to build a cool, clean machine that works! - Teaches young engineers how to use the principles of physics to build their own gadgets, robots and cool contraptions that really work. - Enhances children’s development in hand-eye coordination, creative thinking skills, engineering skills, construction skills, logical thinking and more.