The Lionel 6-9851 Schultz Billboard Reefer Car is a vintage model train accessory representing a beer reefer car from the 1970s. This pre-built plastic car is designed on a 1:48 scale and features advertising specimens on its billboard sides. It is part of the Three-Rail System and operates on an analog control system, making it a perfect addition to any O gauge model railroad collection for enthusiasts aged 17 years and up.