Speeding thrills and racing excitements may be had with Tamiya's tiny but sophisticated motorized types of "Mighty Mini 4WD" show. High effectiveness shaft driven 4WD mechanics is integrated in these pocket-size models. The cars' wide tread and long wheelbase offer excellent security during running. Is sold with large diameter tires and race slicks for increased top rate. Needs a 130 type electric engine and two UM3 (AA) size batteries for operation (not included).