Big City Zoo

Notable parts

• 6 parts come in a colour no other set has for that mould: Duplo Brick 2 x 4 x 2 Rounded Ends (Medium Blue) ×2; Duplo Building Wall, 4 x 6 x 6 Curved Turret (Castle) (Medium Blue) ×2; Duplo Flag Wavy 2 x 5 with Slits (Lime) ×2; Duplo Plant Bush / Tree Top / Rock Pile with 2 studs (Light Bluish Gray) ×2; Duplo Support Column 2 x 2 x 6 Round with Open Latticed Back (Dark Red) ×2; and 1 more.
• 3 printed parts are only in this set: Duplo Brick 2 x 3 x 2 with Curve, with Eyes and Tusks (Elephant) Print (Medium Blue) ×2; Duplo Brick 1 x 2 x 2 with Clock, Elephant and Carrots Print (White); Duplo Brick 2 x 2 Slope 45, with China Map and Tiger Print (Light Bluish Gray).
• 11 parts appear in only a few other sets: Duplo Brick 2 x 2 Slope 45° (Dark Tan) — also in 4968 Friendly Zoo (all Duplo); Duplo Brick 2 x 6 (Bright Light Orange) — also in 5839 World Grand Prix (all Duplo); Duplo Animal Bear Adult New Style, Squared Eyes Print (Reddish Brown) — also in 9218 Wild Animals Set, 6157 The Big Zoo; Duplo Brick 2 x 2 Slope 45° with Giraffe and Map of Africa Print (Light Bluish Gray) — also in 4960 Giant Zoo, 4968 Friendly Zoo (all Duplo); Duplo Brick 2 x 2 x 2 Curved Top (Bright Light Orange) — also in 3778 Station, 5604 Supermarket (all Duplo); Duplo Table Round 4 x 4 x 1.5 (Reddish Brown) — also in 4777 Knights' Castle, 4785 Black Castle (all Duplo); Duplo Brick 2 x 4 x 2 Curved Top with 'Zoo' and Lion Head Print (Bright Light Orange) — also in 6136 My First Zoo, 6136-2, 5634 Feeding Zoo (all Duplo); Duplo Water Tank and Tap with 1 x 2 Plate (Light Bluish Gray) — also in 9227 Farm Set, 4960 Giant Zoo, 9228 Farm Animals Set; Duplo Brick 1 x 2 x 2 with Bamboo Print (Green) ×2 — also in 9218 Wild Animals Set, 6157 The Big Zoo, 4971 Zoo Vehicles, 4968 Friendly Zoo; Duplo Animal Bear Cub, New Style (Reddish Brown) — also in 6158 Animal Clinic, 9218 Wild Animals Set, 10576 Zoo Care, 5654 Fishing Trip; Duplo Brick 1 x 2 x 2 (Dark Tan) — also in 5597 Dino Trap, 4968 Friendly Zoo, 4779 Defense Tower, 4861 Police Boat (all Duplo).
• 4 parts are otherwise only found in Duplo sets: Duplo Brick 2 x 2 (Dark Red) ×2; Duplo Brick 1 x 2 x 2 (Dark Bluish Gray); Duplo Brick 2 x 2 (Dark Tan); Duplo Food Steak (White).
• 7 moulds first came out in 2009, including in this set: Duplo Brick 3 x 2 x 2 Slope ×2; Duplo Plant Bush / Tree Top / Rock Pile with 2 studs ×2; Duplo Animal Bear Adult New Style, Squared Eyes Print; Duplo Animal Bear Cub, New Style; Duplo Animal Giraffe Adult, New Style, Round Eyes; and 2 more.
• 4 existing moulds first came out in their colour in 2009, including in this set: Duplo Fence 1 x 10 x 2 [Clip and Bar ends] (Reddish Brown) ×4; Duplo Brick 2 x 3 with Curved Top (Medium Blue) ×2; Duplo Roofpiece Slope 33 4 x 4 with Awning Overhang with 9 Bottom Tubes (Red) ×2; Duplo Brick 2 x 6 (Bright Light Orange).

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