The Trix Twin F105G Bo+Bo EM1 Electric Locomotive Wheels are designed for model railways enthusiasts who collect British Railways memorabilia. These DC-powered wheels are compatible with Trix products and are in a scale of 1:76. The analogue control system allows for easy operation, making it an ideal addition to OO gauge model trains. The driving and trailing bogie design adds realism to the locomotive, capturing the essence of Era 5 British Railways. Perfect for collectors looking to enhance their model railway experience.