Enjoyed building Duplo's Knights Castle, set number 4777. Lego's Duplo is such a quality product that it lasts and lasts and lasts. … | Lego duplo, Duplo, Vault boy
LEGO 4777 Duplo Knights' Castle Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 4777 Knights' Castle Instructions, Duplo
4777: Knights' Castle | Brickset: LEGO set guide and database