This product is a 1:50 scale replica of the Missouri Pacific GP-7 Diesel locomotive #4124, manufactured by Lionel in 1995. It is an AC-powered, analog-controlled locomotive with a two-rail system and a Bo-Bo wheel configuration. The locomotive is made of plastic and diecast materials, and weighs 1.5 lbs. It features a diesel horn, light function, limited edition, and tender. The product is pre-built and comes in its original packaging.