The French Hornby O Gauge 20 Volt AC 3 Rail Elec. SNCF 2-4-2 Electric Loco BB-8051 is a vintage model of an electric locomotive from France, featuring the Société Nationale des Chemins de fer Français (SNCF) corporate livery. Made of tin and designed for a three-rail system, this ready-to-go pre-built locomotive is a beautifully detailed representation of Era 3 - The Big Four (1923-1947) transportation theme. The green-coloured locomotive with a 2-4-2 wheel configuration is a must-have for collectors and enthusiasts of model railways and trains.