It's sheer excitement watching your race cars blast down the track! Safe, non toxic materials are all part of this ultimate chemistry racing kit. With endless customization for their race cars, kids can unleash their creativity while learning about speed and power. Build the track, mix the fuel, watch the reaction, and ZOOM! Comes with lots of cool accessories, like extra wheels, fuel tanks, sleds, plows, and more, plus ideas for sparking curiosity. Exciting and educational, science combusts with racing action!