Speeding thrills and racing excitements is had with Tamiya's little but sophisticated motorized types of "Mighty Mini 4WD" series. High efficiency shaft driven 4WD mechanics is included in these pocket-size models. The cars' wide tread and long wheelbase offer exceptional stability during operating. Comes with big diameter tires and racing slicks for increased top speed. Requires a 130 kind electric engine and two UM3 (AA) size batteries for procedure (not included).