The HO Scale Model Power 0-4-0 Tank Engine #50 is a pre-built model train locomotive designed for enthusiasts aged 12 years and older. This analog locomotive features a light function and operates on DC power supply. With a wheel configuration of 0-4-0 and a scale of 1:87, this engine is perfect for collectors. Made by Model Power, this HO gauge locomotive is ready to go and promises hours of enjoyment for hobbyists.