The Lionel 6-52414 Denver and Rio Grande flatcar with 3 snowmobiles is a model train accessory designed for collectors and hobbyists. This multicolor flat car features removable snowmobiles, adding an interactive element to the display. Manufactured in 2004 by Lionel, this O gauge flat car is made of plastic and diecast materials, following the Three-Rail System standard. It represents the Denver and Rio Grande railroad company and is a highly detailed addition to any model railroads and trains collection.