The Hornby OO R866 LNER Class B12 8509 is a ready-to-go pre-built model steam locomotive in 1:76 scale, designed for the London North Eastern Railway corporate livery. This DC powered locomotive is suitable for a two-rail system and features an analogue control system. The green-coloured locomotive is a must-have for collectors and enthusiasts of model railways and trains, offering a realistic and intricate representation of vintage railway nostalgia.