Knights' Castle

Notable parts

• 2 parts come in a colour no other set has for that mould: Duplo Brick 2 x 4 x 2 (Dark Bluish Gray); Duplo Plate 8 x 16 (Reddish Brown).
• 2 printed parts are only in this set: Duplo Brick 2 x 4 x 2 with Lion and Crown on Yellow and Blue Shield Print (Dark Bluish Gray); Duplo Figure with Rounded Head with Black Legs, Black Dragon on Shield, Red… (Bright Light Orange).
• 33 parts appear in only a few other sets: Duplo Brick 1 x 2 x 2 with Shield, Lion and Crown on Yellow and Blue Background… (Black) ×4 — also in 4779 Defense Tower (all Duplo); Duplo Plate 2 x 2 with Handle (Reddish Brown) ×2 — also in 5597 Dino Trap (all Duplo); Duplo Armor with Blue Top Feather and Blue and Yellow Breastplate with Lion and… (Metallic Silver) — also in 4779 Defense Tower (all Duplo); Duplo Catapult Arm (Reddish Brown) — also in 4863 Sentry & Catapult (all Duplo); Duplo Catapult Base (Reddish Brown) — also in 4863 Sentry & Catapult (all Duplo); Duplo Door Sliding Grille 6 x 7 (Reddish Brown) — also in 4864 Castle (all Duplo); Duplo Figure with Rounded Head with Black Legs, Red Chest, Bright Light Orange… (Red) — also in 4776 Dragon Tower (all Duplo); Duplo Figure with Rounded Head with Dark Bluish Gray Legs, White Chest, Blue… (White) — also in 4864 Castle (all Duplo); Duplo Horse Barding with Silver Armor and Dragon with Red and Yellow Background… (Red) — also in 4864 Castle (all Duplo); Duplo Building Wall 1 x 8 x 8 with Door Opening - Castle (Dark Bluish Gray) ×3 — also in 4776 Dragon Tower, 4864 Castle (all Duplo); Duplo Building Wall 1 x 8 x 8 with Window Opening - Castle (Dark Bluish Gray) ×3 — also in 4776 Dragon Tower, 4864 Castle (all Duplo); Duplo Plate 8 x 16 (Dark Tan) ×2 — also in 5593 Circus, 3778 Station (all Duplo); and 21 more.
• 11 parts are otherwise only found in Duplo sets: Duplo Brick 2 x 2 x 2 (Dark Bluish Gray) ×19; Duplo Brick 2 x 2 (Dark Tan) ×5; Duplo Brick 1 x 2 x 2 (Black) ×3; Duplo Brick 1 x 2 x 2 with Side Cutouts and Channel in Top (Black) ×2; Duplo Brick 2 x 4 (Dark Tan) ×2; and 6 more.
• 26 moulds first came out in 2004, including in this set: Duplo Brick 4 x 3 x 3 Wry Inverted ×13; Duplo Plate 3 x 4 x 2 1/3 Rampart ×13; Duplo Figure with Rounded Head with Dark Bluish Gray Legs, White Chest, Yellow… ×4; Duplo Shield, Angled Triangle with Black Dragon on Yellow and Red Background… ×4; Duplo Building Wall 1 x 8 x 8 with Door Opening - Castle ×3; and 21 more.
• 16 existing moulds first came out in their colour in 2004, including in this set: Duplo Brick 2 x 2 x 2 (Dark Bluish Gray) ×19; Duplo Brick 2 x 2 x 2 with Vertical Grooves (Dark Bluish Gray) ×8; Duplo Brick 2 x 2 (Dark Bluish Gray) ×5; Duplo Plate 2 x 4 (Dark Bluish Gray) ×4; Duplo Brick 1 x 2 x 2 (Black) ×3; and 11 more.

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.