This Williams Milwaukee Road Hiawatha O Scale 6 Car Passenger Set 77219 is a must-have for any model railroad enthusiast. The set includes six passenger cars in a beautiful brown color, made of high-quality plastic material. The cars are designed for a three-rail system and powered by AC, making them perfect for any O gauge model railroad. The set features the iconic Hiawatha passenger cars, with corporate roadnames from the Milwaukee Road. It is perfect for collectors or those looking to add some vintage flair to their model railroad. Whether you are a seasoned collector or just starting out, this passenger set is sure to impress. Cars measure 18 long from coupler to coupler. Recommending use on O-42 track.