This set is complete with a GP-7 dual motor Diesel locomotive, Boxcar, 3-Dome Tank Car, Flatcar w/ Trailer, Die-cast metal Tractor, Searchlight Car, Illuminated Caboose, 12 curved and 8-straight tracks, crossover and Transformer. Features include operating knuckle couplers, illumination, metal trucks, metal wheels, durable plastic construction, and an operating horn and headlight.