The International Hobby Corp HO Scale 49024 Santa Fe Observation Heavyweight is a ready-to-go pre-built model replica of the Santa Fe Observation car in HO scale (1:87). Made of plastic and featuring multicolor paint, this analog-controlled train car is perfect for transportation enthusiasts aged 17 years and up. With a two-rail system, this IHC brand model captures the essence of the Santa Fe rail system with its detailed features and United States origin.