Speeding thrills and racing excitements is had with Tamiya's small but sophisticated motorized models 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 exemplary security during operating. Is sold with big diameter wheels and race slicks for increased top rate. Needs a 130 type electric motor and two UM3 (AA) size batteries for procedure (maybe not included).