The Hornby A1 Class Driving Wheel Set X8419 is a vintage, unassembled kit designed for Hornby enthusiasts. This 1:76 scale wheel set, made of pressed steel, is compatible with the A1 model and features an analogue control system. Manufactured in 2004, this green wheel unit is a collectable item representing Era 3 - The Big Four (1923-1947) of the OO gauge railway. Made in China, this piece is a must-have for fans looking to enhance their model railway.