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Description
The amazing Mousetrap Racer is part mousetrap part car. It zooms along powered by a mousetrap spring. Learn how potential energy is stored and released as kinetic energy. Contains 1 large arm plate top and base, 1 small arm plate top and base, 4 wheels, 1 long axle with winding drum, 1 short axle, 1 wide (rear) base plate, 1 narrow (front) base plate with spring, 2 connecting rods, string, screws and detailed instructions. Contains small parts.
