Set is led by an Alco FA diesel locomotive, featuring operating horn and headlight, dual motors, dual operating couplers, two traction tires, and lighted numberboards and cab interior. Rolling stock along for the ride are a hovering UFO car, operating radar car, glowing tank car a caboose with a rotating searchlight with an alien lens. The set runs on 16 sections (eight curved, eight straight) of O-27 track. Comes with a 40-watt transformer/controller.