The Lionel O & 027 9581 9582 9583 9585 Chessie Steam Special 4 Car Passenger Set is a vintage Chessie Systems passenger cars. Made of plastic and steel, these cars are designed in yellow-orange, grey, and black colors. The set is ready to go with an analog control system and a Three-Rail System, making it a great addition for model railroading enthusiasts looking to add a piece of American railroad history to their collection. Cars are not used and boxes have wear and writing on them. Hard to find cars.