Birthday Party Cake

🏷️ 40815-1🎨 Seasonal📅 2025🧱 219 partsEasy

The LEGO Seasonal Birthday Party Cake (40815-1) delivers a festive, customizable display piece for recurring celebrations. This 219-piece model features a multi-layered birthday cake that neatly opens, revealing a hidden compartment within its structure. Inside, builders will discover vibrant pink and yellow flower elements designed to adorn the cake. The set includes 10 individual candles, allowing for precise placement to personalize the topping for various celebratory milestones. Its modular design ensures the cake can be reconfigured and brought out annually, serving as a charming centerpiece ready to mark special occasions with a unique, constructed touch.

Parts Inventory

🧱 219 parts
PartQty
Brick Special 1 x 2 with 2 Studs on 1 Side

Brick Special 1 x 2 with 2 Studs on 1 Side

11211

Plate 3 x 3

Plate 3 x 3

11212

Slope Curved 2 x 1 No Studs [1/2 Bow]

Slope Curved 2 x 1 No Studs [1/2 Bow]

11477

Slope Curved 2 x 2 x 2/3

Slope Curved 2 x 2 x 2/3

15068

Slope Curved 2 x 2 x 2/3

Slope Curved 2 x 2 x 2/3

15068

Tile Round 1 x 2 Half Circle

Tile Round 1 x 2 Half Circle

1748

28×
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

18674

Plate Round Corners 2 x 6 Double

Plate Round Corners 2 x 6 Double

18980

Tile Round 1 x 1 with Hollow Bar

Tile Round 1 x 1 with Hollow Bar

20482

10×
Tile Round 1 x 1 Half Circle

Tile Round 1 x 1 Half Circle

24246

18×

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Build DNA

Parts inventory insights for Birthday Party Cake

219 pieces puts this build +8% against the average Seasonal set and -66% against the average 2025 release.

LEGOSEASONAL

Vs average Seasonal set

+8%+17 parts
This set219
Average set202

Average Seasonal set: 202 pieces across 304 other sets.

Vs average 2025 set

-66%-419 parts
This set219
Average set638

Average 2025 set: 638 pieces across 561 other sets.

Color profile

15different colors

Dominant color

Reddish Brown

Reddish Brown65x
30%
Dark Pink31x
14%
White22x
10%
Lime20x
9%

Unique parts

6.6 pieces per unique type

33

Repeat factor

Average pieces per unique type.

7x

Most used part

Tile Round 1 x 2 Half Circle

Tile Round 1 x 2 Half Circle28x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

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Build Insights🧩33unique parts🎨15different colors📊14.6avg. parts per color🏆28×Tile Round 1 x 2 Half Circle