The HO Walthers 933-3506 Industrial Substation Building Kit is a 1:87 scale plastic model kit designed for model railroads and trains enthusiasts. This multicolor building kit depicts an industrial substation and is themed around transportation. It is compatible with other buildings and is suitable for advanced hobbyists aged 17 years and up. Made in China, this kit does not come painted and is a great addition to any HO gauge model railroad layout.