The MTH RailKing 30-7869 Cold Spring Beer Modern Reefer Car is a ready-to-go O gauge model train accessory manufactured in 2004. This green plastic beer reefer car features an analog control system and a three-rail system for operation. The car is themed around advertising with paint detailing representing the Cold Spring Beer brand. This collectible item is designed for model railroads and trains enthusiasts aged 17 years and up.