The Lionel 6-38114 O Gauge Santa Fe FT B-Unit is a ready-to-go plastic model of a Santa Fe train unit in silver color. This 1:48 scale diesel locomotive is designed for O gauge railroads and features a three-rail system for operation. It is suitable for model railroads and trains enthusiasts aged 17 years and up, and is part of the transportation theme. Made by Lionel, this B-Unit is a replica of Santa Fe locomotive and is a great addition to any model railroad collection. Thanks for looking!