Speeding thrills and racing excitements may be had with Tamiya's small but sophisticated motorized models of "Mighty Mini 4WD" series. High effectiveness shaft driven 4WD mechanics is included in these pocket-size models. The vehicles' wide tread and long wheelbase offer exceptional security during operating. Comes with big diameter wheels and race slicks for increased top speed. Requires a 130 type electric engine and two UM3 (AA) size batteries for procedure (not included).