The Airfix GMR 54124-2 GWR 4073 Caerphilly Castle Class 4-6-0 is a pre-built OO gauge model steam locomotive of the Great Western Railway. Made of plastic in a green livery, this 1:76 scale locomotive is ready to go on a two-rail system. With analogue control and featuring a tender, this vintage piece from the 1970s captures the essence of Era 3 – The Big Four. Perfect for collectors and model railroad enthusiasts, this UK-made locomotive is a charming addition to any collection.