The Union Pacific UP 4066 Caboose in yellow by Bachmann is a vintage HO scale model train that is ready to go for enthusiasts. This pre-built plastic caboose is powered by DC and features a two-rail system, making it a perfect addition to any model railroad collection. With its 1:87 scale and C-6 Very Good grade, this caboose is sure to enhance the detail and realism of your train layout.