The MTH RailKing 30-79077 US Navy Flat Car with Operating Helicopter is a limited edition model train accessory in 1:48 scale. This ready-to-go pre-built flat car features a white color and is made of plastic. It is designed for O gauge model railroads and operates on AC power with an analog control system. Suitable for ages 14 and up, this freight car includes an operating helicopter, making it a unique and detailed addition to any model railroad collection.