The Lionel Battery Powered Ready to Play Train Set is a 37-piece O gauge model railroad set that is perfect for train enthusiasts of all ages. Made of durable plastic material, this set features an analog control system for easy operation. With a DC power type, this pre-built unit is ready to go right out of the box, making it ideal for both beginners and experienced collectors. This set from Lionel offers a fun and engaging experience for anyone looking to enjoy the nostalgia of model railroads.