Birthday Party Cake (40815-1) is a Seasonal LEGO set released in 2025 with 219 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 40 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2025
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Catalog scale
219 parts listed · 40 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
Digital booklet available on this page — use it to verify bag contents
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Shipping weight (est.)
~306 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Building instructions
Official LEGO instructions — read on BrickID
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Parts in this set
40 parts · updating…
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Brick 1 x 63009 · ×4 · White -
Brick 1 x 83008 · ×2 · Reddish Brown -
![Brick Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6147726.jpg)
Brick Curved 2 x 1 No Studs [1/2 Bow]11477 · ×8 · Bright Light Yellow -
Brick Curved 2 x 2 x 2/315068 · ×8 · Lime -
Brick Curved 2 x 2 x 2/315068 · ×8 · Medium Azure -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Bright Light Yellow -
Brick Special 1 x 1 with Studs on 2 Adjacent Sides26604 · ×4 · White -
Brick Special 1 x 2 with 2 Studs on 1 Side11211 · ×2 · Reddish Brown -
Brick Special 1 x 4 with 4 Studs on One Side30414 · ×10 · Reddish Brown -
Plant, Flower, Plate Round 1 x 1 with 5 Petals24866 · ×8 · Bright Light Orange -
Plant, Flower, Plate Round 1 x 1 with 5 Petals24866 · ×8 · Bright Pink -
Plate 1 x 13024 · ×2 · Reddish Brown -
Plate 1 x 13024 · ×4 · Lime -
Plate 1 x 23023 · ×8 · Reddish Brown -
Plate 1 x 23023 · ×4 · Medium Azure -
Plate 1 x 43710 · ×4 · Bright Light Yellow -
Plate 1 x 43710 · ×2 · Black -
Plate 1 x 63666 · ×8 · Light Bluish Gray -
Plate 1 x 83460 · ×6 · Black -
Plate 2 x 43020 · ×4 · Reddish Brown -
Plate 2 x 63795 · ×1 · Reddish Brown -
Plate 3 x 311212 · ×8 · Reddish Brown -
Plate 3 x 3 Corner77844 · ×4 · White -
Plate Round 1 x 1 Swirled Top / Poo53119 · ×4 · Lavender -
Plate Round Corner 6 x 66003 · ×4 · Tan -
Plate Round Corners 2 x 6 Double18980 · ×2 · Reddish Brown -
![Plate Special 1 x 4 with 2 Studs with Groove [New Underside]](https://cdn.rebrickable.com/media/parts/elements/6249090.jpg)
Plate Special 1 x 4 with 2 Studs with Groove [New Underside]41740 · ×2 · Magenta -
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)18674 · ×1 · Dark Pink -
Tile 1 x 1 with Groove3070b · ×4 · Lime -
Tile 1 x 1 with Groove3070b · ×8 · Reddish Brown -
Tile 1 x 2 with Groove3069b · ×1 · Tan -
Tile 1 x 363864 · ×2 · Lime -
Tile 1 x 6 with Groove6636 · ×2 · Dark Pink -
Tile 2 x 2 with Groove3068b · ×2 · Lime -
Tile 2 x 2 with Groove3068b · ×2 · Dark Bluish Gray -
Tile 2 x 669729 · ×1 · Dark Bluish Gray -
Tile Round 1 x 1 Half Circle24246 · ×18 · Reddish Brown -
Tile Round 1 x 1 with Hollow Bar20482 · ×10 · White -
Tile Round 1 x 2 Half Circle1748 · ×28 · Dark Pink -
Wave / Flame Small with Pin37775 · ×10 · Trans-Orange