The product is a Hornby Network Rail Mk3 Structure OO Test, Gauging & Measurement Coach that has been repainted in yellow. This coach is ready to go and pre-built, making it a convenient addition to any model railway enthusiast's collection. The coach is designed in a 1:76 scale, representing the British Rail Sectorisation era from 1982-1994. Made in China, this coach is a great addition for collectors interested in railways and trains, particularly those focused on OO gauge model railways.