This JDY Inc Rocky Mountain Locomotive Original Box C-9 is a must-have for any model railroad enthusiast. With its AC battery power type and analog control system, this multicolor locomotive is sure to impress. The locomotive is a replica of the Rocky Mountain Express and is made of durable plastic material. This vintage locomotive has a free-wheeling rail system and features a smoke unit, light function, sound function, and is painted. The Rocky Mountain Express corporate roadname adds to its uniqueness. This locomotive is perfect for collectors or those looking to add a unique piece to their model railroad. This has been on display and is sold as is. Thanks for checking out my shop, take care! (: