This product is a set of 6 K-Line Streamliners Passenger Cars in O Gauge scale, featuring a replica of a Pullman design. Made of plastic and powered by AC, these pre-built cars are ready to go on a three-rail system. With light functions and an analog control system, these passenger cars are suitable for collectors and hobbyists aged 17 years and up. Ideal for transportation-themed model railroads from the 1990s, these K-Line Streamliners offer a vintage look with modern features.