LEGO City Advent Calendar

Notable parts

• 1 part comes in a colour no other set has for that mould: Minifig Neckwear Jet Pack with Front Stud (Yellow).
• 2 parts appear in only a few other sets: Animal, Dog / Wolf (Dark Bluish Gray) — also in 4755 Knight Bus, 4756 Shrieking Shack; Wheels Skateboard (Black) ×2 — also in 7093 Skeleton Tower, 852001 Castle Chess Set, 7019 Viking Fortress against the Fafnir Dragon, 7094 King's Castle Siege.
• 1 mould first came out in 2005, including in this set: Crane Basket 2 x 3 x 2 with Locking Hinge Fingers.
• 8 existing moulds first came out in their colour in 2005, including in this set: Sports Ski with Hinge (Dark Bluish Gray) ×4; Plate Special 1 x 1 with Tooth (Dark Bluish Gray) ×2; Wheels Skateboard (Black) ×2; Brick Special 1 x 1 with Studs on 2 Sides (Light Bluish Gray); Equipment Brush / Push Broom (Reddish Brown); and 3 more.

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