PROTOTYPE 4mm/OO GWR Engine Shed (Single Road)Build Sheet kit No: 46W8 £ 7.99 Add to basket View basket Category Prototype PROTOTYPE MODELS Build sheet kits a range of 7mm/4mm/2mm (O/OO/N) Gauge paper sheets Sheet No. 46W8 A Replica of an GWR Engine Shed (Single road) (Tetbury)