The K-Line K-4630 ATSF Santa Fe Black Bonnet Midnight Chief 18 Aluminum passenger car is a replica of the Santa Fe train, made of aluminum and diecast materials. This limited-edition model, manufactured in 2005, features a led light function and painted details. With a scale of 1:48 and a gauge of O, this pre-built item is ready to go on a three-rail system. Its vintage look and transportation theme make it a unique addition to any model railroads and trains collection. The hard to find 2 car set features. These have been put on track only to test lights.