The product is a Hornby OO Gauge Spare Parts for the Flying Scotsman model, specifically a front bogie assembly made of plastic in green colour. This spare part is designed for direct current (DC) power, with a scale of 1:76 and compatibility with the Hornby brand. It is a ready-to-go pre-built piece that is suitable for analogue control systems and is ideal for collectors and enthusiasts looking to maintain or restore their model railway. missing the spring.