The product is a plastic 8 wheel for a steam locomotive train designed for a Southern Pacific caboose. Manufactured by Marx, this O gauge model is suitable for collectors and hobbyists interested in model railroads and trains. With attention to detail and quality materials, this product accurately represents the Southern Pacific train operating company's iconic locomotives and caboose. Perfect for enhancing a model railroad display or playtime for train enthusiasts, this 8-wheel accessory is a must-have for those looking to add realism to their collection.