The Lionel 6-9868 TTOS 1980 National Convention Oklahoma City Reefer Model Train is a yellow plastic box car manufactured by Lionel in 1980. This O gauge train car was made in the United States and was part of the 1980 National Convention collection. As a collectible item in the Model Railroads & Trains category, this reefer model train is a unique addition to any train enthusiast's collection.