Speeding thrills and rushing excitements may be had with Tamiya's small but sophisticated motorized models of "Mighty Mini 4WD" show. High effectiveness shaft driven 4WD mechanics is included in these pocket-size models. The cars' wide tread and long wheelbase provide excellent security during running. Includes big diameter wheels and racing slicks for increased top rate. Requires a 130 kind electric motor and two UM3 (AA) size batteries for procedure (perhaps not included).