Speeding thrills and racing excitements are had with Tamiya&39;s little but advanced motorized models of "Mighty Mini 4WD" show. High effectiveness shaft driven 4WD mechanics is integrated in these pocket-size models. The cars&39; wide tread and long wheelbase offer exemplary security during running. Includes large diameter tires and racing slicks for increased top rate. Requires a 130 type electric engine and two UM3 (AA) size batteries for procedure (perhaps not included).