LEGO City Advent Calendar

1 part comes in a colour no other set has for that mould

• Minifig Neckwear Jet Pack with Front StudYellow

2 parts appear in only a few other sets

• Animal, Dog / WolfDark Bluish Grayalso in 4755 Knight Bus, 4756 Shrieking Shack
• Wheels SkateboardBlack · ×2also 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 HingeDark Bluish Gray · ×4
• Plate Special 1 x 1 with ToothDark Bluish Gray · ×2
• Wheels SkateboardBlack · ×2
• Brick Special 1 x 1 with Studs on 2 SidesLight Bluish Gray
• Equipment Brush / Push BroomReddish Brown
• and 3 more