Birthday Cupcake (40905-1) is a Seasonal LEGO set released in 2026 with 174 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Seasonal sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 52 unique part types.
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Market value
Estimated market value
Community marketplace data · updated 2 days ago
New · Sold (6 mo.)
EUR 11.60
Range EUR 11.60–11.60
1 sold in last 6 months
Used · Sold (6 mo.)
EUR 11.60
Price history (4 snapshots)
| Date | Condition | Avg. sold |
|---|---|---|
| 2026-06-26 | New | 11.60 |
| 2026-06-26 | Used | 11.60 |
| 2026-06-19 | New | 11.54 |
| 2026-06-19 | Used | 11.54 |
Estimates exclude VAT and reflect recent marketplace activity. Values change — use live listings when buying or selling.
Building instructions
Official LEGO instructions — read on BrickID
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Parts in this set
52 parts · page 1 of 2 · updating…
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Balloon Dog35692 · ×1 · Trans-Dark Blue -
![Bar 7 x 3 with Double Clips (Ladder) [Round Clips]](https://cdn.rebrickable.com/media/parts/elements/6529090.jpg)
Bar 7 x 3 with Double Clips (Ladder) [Round Clips]5630 · ×1 · Yellow -
Brick 1 x 23004 · ×4 · Reddish Brown -
Brick 2 x 43001 · ×2 · Bright Pink -
Brick and Axle Separator v2.096874 · ×1 · Orange -
Brick Curved 1 x 2 x 2/3 Double Curved Top, No Studs3563 · ×4 · Reddish Brown -
Brick Curved 2 x 2 x 1 Curved Top, Corner5846 · ×12 · Bright Pink -
Brick Round 1 x 1 Open Stud3062b · ×8 · Medium Azure -
Brick Round 2 x 2 Dome Top, Vented Stud3262 · ×1 · Red -
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side22885 · ×2 · White -
Brick Special 1 x 2 x 1 2/3 with 8 Studs on 3 Sides67329 · ×4 · Light Bluish Gray -
Brick Special 1 x 4 with 4 Studs on One Side30414 · ×4 · Lime -
![Dish 3 x 3 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/4179580.jpg)
Dish 3 x 3 Inverted [Radar]43898 · ×1 · White -
Food Hot Dog / Sausage33078 · ×1 · Bright Green -
Hat, Chef / Baker3898 · ×1 · White -
Legs Short41879a · ×1 · White -
Minifig Head Sally, Girl, Eyelashes, Freckles, Smile3626cpr1635 · ×1 · Yellow -
Plant, Flower, Plate Round 1 x 1 with 5 Petals24866 · ×1 · Green -
Plate 1 x 43710 · ×6 · Red -
Plate 1 x 43710 · ×6 · Medium Nougat -
Plate 1 x 63666 · ×2 · Medium Azure -
Plate 1 x 63666 · ×2 · Reddish Brown -
Plate 2 x 23022 · ×2 · Bright Pink -
Plate 2 x 43020 · ×4 · Reddish Brown -
Plate 2 x 43020 · ×2 · White -
Plate 4 x 63032 · ×3 · Reddish Brown -
Plate Round 1 x 1 with Solid Stud6141 · ×4 · Yellow -
Plate Round 1 x 1 with Solid Stud6141 · ×4 · Dark Pink -
Plate Round Corner 2 x 2 with 1 x 1 Cutout79491 · ×6 · White -
Plate Round Corner 4 x 430565 · ×4 · Bright Pink -
Plate Special 1 x 2 Rounded with 2 Open Studs35480 · ×2 · Light Bluish Gray -
Plate Special 1 x 2 Rounded with 2 Open Studs35480 · ×2 · White -
![Plate Special 1 x 2 Side Handle [Free Ends]](https://cdn.rebrickable.com/media/parts/elements/254001.jpg)
Plate Special 1 x 2 Side Handle [Free Ends]2540 · ×1 · White -
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)15573 · ×4 · Bright Pink -
Plate Special 2 x 2 with Groove and Center Stud (Jumper)87580 · ×2 · White -
![Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version](https://cdn.rebrickable.com/media/parts/elements/6469455.jpg)
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version4304 · ×4 · Yellow -
Plate Special 4 x 4 with 2 x 2 Opening64799 · ×2 · Light Bluish Gray -
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)18674 · ×1 · Medium Azure -
Slope 18° 4 x 230363 · ×4 · Reddish Brown -
Slope 45° 2 x 1 with Bottom Pin3040b · ×8 · Reddish Brown -
Tile 1 x 1 Heart39739 · ×4 · Red -
Tile Round 1 x 1 Quarter25269 · ×4 · Lime -
Tile Round 1 x 1 Quarter25269 · ×4 · Medium Azure -
Tile Round 1 x 1 Quarter25269 · ×4 · Yellow -
Tile Round 1 x 1 Quarter25269 · ×4 · Medium Lavender -
Tile Round 1 x 1 Quarter25269 · ×4 · Orange -
Tile Round 1 x 1 Quarter25269 · ×4 · Medium Nougat -
Tile, Star with Stud Holder, Pin Hole11609 · ×4 · Pearl Gold