The product is a Hornby R075 Class 47 47421 BR Blue Diesel Locomotive in OO gauge. It is a replica of a British Rail Class 47 train, featuring a Co-Co wheel configuration and a 1:76 scale. The locomotive is pre-built and ready to go, with an analogue control system and a two-rail system. Made of plastic and in British Rail blue, this collectable model is perfect for railway enthusiasts and collectors of British transportation memorabilia.