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Birthday Party Cake

Snapshot

vs RRP
+43% over
Per piece
6.7¢

Value per piece

cost per part at each reference

6.7¢lowest market value

about 2% under retail, which runs ~6.8¢ a piece

Reference

MSRP6.8¢
Used market6.7¢
New market9.8¢
Set Retiring soon · Dec 2026

Birthday Party Cake

Reference
40815-1
Theme
Seasonal
Year
2025
Parts
219
UPC
673419408950
EAN
5702017830872

Birthday Party Cake is a LEGO set from the LEGO Seasonal theme released in 2025. It is built from 219 pieces.

New avg$21.50Used avg$14.62MSRP$14.99

Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices

See full valuation & price history →Track its value free →
Value history$21.50▲ +$3.91 (+22.2%)all time
$14$17$20retail $14.99
Jul 4New · used (dashed)Jul 25

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Parts in this set (51)

View all parts →

A peek at the pile. See the full list, grouped by color, on the parts page.

Plate 1 x 42×Plate 1 x 86×Plant, Flower, Plate Round 1 x 1 with 5 Petals8×Brick Curved 2 x 1 No Studs [1/2 Bow]8×Brick Round 2 x 2 with Axle Hole1×Plate 1 x 44×Plant, Flower, Plate Round 1 x 1 with 5 Petals8×Tile 2 x 2 with Groove2×Tile 2 x 61×Plate Special Round 2 x 2 with Center Stud (Jumper Plate)1×Tile 1 x 6 with Groove2×Tile Round 1 x 2 Half CirclePhoto shows a different color. This lot is Dark Pink.28×Plate Round 1 x 1 Swirled Top / PooPhoto shows a different color. This lot is Lavender.4×Plate 1 x 68×View all 51 →