Tamiya Mini 4wd 18708 Night Hunter (FM-A) This is an injection plastic Mini 4WD car model. From Tamiya: This is a Mini 4WD racing machine. It recreates the fictitious Night Hunter race car and it sits atop the FM-A chassis. The FM-A chassis (Front Midship Aero) is a front motor unit with refined aerodynamics. It is the successor to the FM and Super-FM chassis and it joins the Mini 4WD REV series. With the center of gravity closer to the front, this chassis really shines on undulating circuits. Furthermore, it features a front skid bar as a standard part, plus 4 rollers (rear rollers are 8mm thick for superior stability), and an easy-access motor position. [Features]: High-performance FM-A chassis A-spoke wheels (red) Small dia. low profile tires (black) 3.5:1 gear, type 130 motor included Requires two AA batteries (not included).