LEGO 40905
Birthday Cupcake

LEGO 40905 Birthday Cupcake box image
Set number
40905
Theme
Seasonal
Pieces
174 pcs
Year
2026
Used & parts
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“Birthday Cupcake” is LEGO® “Seasonal” theme set number 40905. Released in 2026, it has 174 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 52 types

Color split (most first)
Reddish Brown×37
Bright Pink×24
White×19
Medium Azure×15
Yellow×14
Red×11
Medium Nougat×10
Lime×8
Light Bluish Gray×8
Trans-Orange×8
Orange×5
Pearl Gold×4
Main parts (most used first)
5846 Brick Curved 2 x 2 x 1 Curved Top, Corner
Bright Pink · ×12
3040b Slope 45° 2 x 1 with Bottom Pin
Reddish Brown · ×8
3062b Brick Round 1 x 1 Open Stud
Medium Azure · ×8
37775 Wave / Flame Small with Pin
Trans-Orange · ×8
3710 Plate 1 x 4
Red · ×6
3710 Plate 1 x 4
Medium Nougat · ×6
79491 Plate Round Corner 2 x 2 with 1 x 1 Cutout
White · ×6
11609 Tile, Star with Stud Holder, Pin Hole
Pearl Gold · ×4
15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Bright Pink · ×4
25269 Tile Round 1 x 1 Quarter
Medium Nougat · ×4
25269 Tile Round 1 x 1 Quarter
Medium Lavender · ×4
25269 Tile Round 1 x 1 Quarter
Orange · ×4
25269 Tile Round 1 x 1 Quarter
Medium Azure · ×4
25269 Tile Round 1 x 1 Quarter
Lime · ×4
25269 Tile Round 1 x 1 Quarter
Yellow · ×4
3004 Brick 1 x 2
Reddish Brown · ×4
3020 Plate 2 x 4
Reddish Brown · ×4
30363 Slope 18° 4 x 2
Reddish Brown · ×4
30414 Brick Special 1 x 4 with 4 Studs on One Side
Lime · ×4
30565 Plate Round Corner 4 x 4
Bright Pink · ×4
3563 Brick Curved 1 x 2 x 2/3 Double Curved Top, No Studs
Reddish Brown · ×4
39739 Tile 1 x 1 Heart
Red · ×4
4304 Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version
Yellow · ×4
43710 Wedge Sloped 4 x 2 Triple Left
Reddish Brown · ×4

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