Metcalfe Railway Buildings You cannot add "Metcalfe PO330, 00 scale, GWR Signal Box, Kit build service." to the cart because the product is out of stock. Showing 13–14 of 14 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Products 1 - 10 from 14. Products on page 102550100All Metcalfe PO374, 00 scale, Low Relief High Street shop front, Kit build service. £34.99 In stockAdd to cart Metcalfe PO430, 00 scale, Small Signal Box, Kit build service. £45.00 In stockAdd to cart ← 1 2