The PlasmaCar is a mechanical marvel that makes use of that most inexhaustible of energy sources, kid-power, by harnessing the natural forces of inertia, centrifugal force, gravity, and friction. It's so easy to operate; all it needs is a driver and a smooth, flat surface.* Built to last: High-quality plastics * Rugged and durable * Deceptively simple to operate * No pedals * No gears * No batteries required