LEGO 21325 Medieval Blacksmith (new, sealed) typically costs $20.25 less than LEGO 21338 A-Frame Cabin (new, sealed) on eBay right now ($239 vs $260 median asking price, item + shipping). Per piece, LEGO 21325 Medieval Blacksmith (new, sealed) is cheaper: $0.11 vs $0.12. Prices from filtered US eBay listings, checked twice a day; asking prices, not sold prices. How we price.