The MTH 20-3057-1 Canadian National U1F Mountain is a ready-to-go pre-built model train steam locomotive in 1:48 scale. This multicolor replica of a mountain locomotive features a 4-8-2 wheel configuration and is made of plastic and diecast materials. It is equipped with digital control, smoke unit, light function, MTH DCS, and sound function, making it an exciting addition to any model railroad collection. Ideal for collectors aged 17 years and up, this Canadian National locomotive is a must-have for enthusiasts of railroads and trains.