The Chooch 1 Pair 7202 Coal Load for Stewart Offset 70 Ton Triple Hopper in HO Scale is a pre-built unit designed for model railroads and trains enthusiasts. Made in the United States, this gray-colored coal loader features a 1:87 scale and is ready to go for installation on a HO gauge track. Suitable for ages 17 and up, this accessory adds realism and detail to a model railroad layout, making it an essential part of the hobby for collectors and hobbyists alike.