LEGO Birthday Party Cake 40815-1
LEGO Birthday Party Cake (40815-1) is worth about $25 sealed (retail $15). 219 pieces · 2025 Other. Track its value and price history.
Birthday cake LEGO® set with LEGO decorations
- Set number
- 40815-1
- Theme
- Other
- Subtheme
- Birthday
- Year
- 2025
- Pieces
- 219
- Minifigures
- 0
- RRP
- $15
- Market value
- $25
- Released
- 2025
- Retirement
- Not retired
LEGO Birthday Party Cake at LEGO: release to today
- Nov 5, 2026 – Nov 11, 2026: On sale at LEGO US (“Available now”)
- Nov 9, 2026 – Nov 11, 2026: On the last-chance list at LEGO US
- Nov 8, 2026: On sale at LEGO Poland
- Nov 8, 2026: On sale at LEGO Sweden
- Nov 6, 2026: On sale at LEGO Ireland
- Nov 5, 2026: On sale at LEGO UK
- Nov 5, 2026: Out of stock at LEGO Germany
- Nov 5, 2026: On sale at LEGO Spain
- Nov 5, 2026: On sale at LEGO France
- Nov 5, 2026: On sale at LEGO Netherlands
- Oct 9, 2026 – Nov 4, 2026: On the last-chance list at LEGO US
- 2025: released
What LEGO.com showed, checked daily in the US and eight European stores.
Birthday Party Cake value by year
From $21 in 2025 to $25 today: +20%. Its highest year was 2026, at $23.
| Year | Value | Change |
|---|---|---|
| Today | $25 | +20.2% |
| 2026 (so far) | $23 | +9.2% |
| 2025 | $21 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Birthday Party Cake (40815-1) worth?
LEGO Birthday Party Cake is worth approximately $25 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Birthday Party Cake retired?
No — Birthday Party Cake (40815-1) is still in production and available at retail.
Has LEGO Birthday Party Cake gone up in value?
Yes. Birthday Party Cake launched at $15 and now trades around $25, an increase of 66.7%. See the price history chart for how it got there.
What is the price per piece for Birthday Party Cake?
At its $15 retail price across 219 pieces, Birthday Party Cake works out to about $0.068 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Birthday Party Cake a good investment?
Birthday Party Cake currently trades 66.7% above its $15 retail price, and it is still in production, so retail supply continues to cap resale prices. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.