Speeding thrills and racing excitements could be had with Tamiya's small but advanced motorized models of "Mighty Mini 4WD" series. High effectiveness shaft driven 4WD mechanics is included in these pocket-size models. The vehicles' wide tread and long wheelbase offer exemplary stability during running. Comes with large diameter tires and racing slicks for increased top rate. Needs a 130 type electric engine and two UM3 (AA) size batteries for operation (not included).