Discover the power of science and the mechanics of how a racer moves. The amazing mousetrap racer is as suggested by its name, part mousetrap and part racer. It moves along powered by the mousetrap spring, when assembled it measures fifty one centimetres long. The wheels can be replaced by old CDs to make it race faster. Learn the physics behind the action whilst having fun. This item is not intended as a toy, it is an educational kit to demonstrate a scientific principal in a fun way. Assembly should be supervised by an adult or completed by a person aged fourteen and over.