Speeding thrills and racing excitements may be had with Tamiya's tiny but higher level motorized types 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 offer exceptional security during working. Comes with big diameter tires and race slicks for increased top price. Requirements a 130 kind electric engine and two UM3 (AA) size batteries for operation (perhaps not included).