Developed for use as an anti-aircraft vehicle, over 30,000 were produced for use in WWII. Kit consists of 482 parts on 25 sprues plus cabs, compartment & cast metal chassis. Features: interior details, full drive train with engine transmission & suspension, rubber tires & tracks, multi-directional slide molded sprocket wheel, fully detailed engine, armored front grill, metal front roller tow chain & rear tow hook. Includes four M2HB machine guns with M45 pedestal mount, M2HB machine guns, steering mechanism and photo-etch engine fan, visors, etc. Completed kit measures over 16" long!