The Spa Valley Railway at Tunbridge Wells in Kent is making plans for its annual Autumn Model Railway Show in September. Autumn Model Railway Show. // Credit: Spa Valley RailwayThere will be exhibitions inside the Engine Shed at Tunbridge Wells West, Groombridge, and Eridge. Autumn Model Railway Show. Visitors can take part in a Model Railway Hunt, with clues around the railway, and a chance to win a prize.