Spiderman Plasma Car

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. Weighs 9 lbs. Ages 3 years and up to 220 lbs. 10.5" x 31" x 12".