Speeding thrills and rushing excitements are had with Tamiya's little but sophisticated motorized models of "Mighty Mini 4WD" show. High efficiency shaft driven 4WD mechanics is incorporated in these pocket-size models. The cars' wide tread and long wheelbase provide excellent security during running. Is sold with large diameter wheels and race slicks for increased top speed. Requires a 130 type electric motor and two UM3 (AA) size batteries for procedure (maybe not included).