Birthday Party Cake
retail price
$14.99
ย
best price
$12.74
-$2.25
Lowest ever: $10.49 at Target (11 Oct 2026)
This set is 15% off - watch it to get notified of even bigger drops
Current Prices
Boscov's
Best PriceAmazon USโ
Best Buy
Kroger
LEGOโ
Target
Fat Brain Toys
About LEGO Birthday Party Cake
Unlike typical LEGO building sets, this birthday cake kit focuses on customisable celebration rather than construction play. The 219-piece set allows builders to create a decorative cake complete with flowers, swirls and up to 10 candles that can be arranged to match any age or simply used for festive display.
The buildable cake measures 7 cm high and 9 cm wide and deep, making it a compact centrepiece for birthday celebrations. Key decorative elements include colourful flowers and decorative swirls that can be positioned around the cake's surface to create different looks for each celebration.
Practical Storage Design
A hidden compartment within the cake structure provides storage space for all the decorative pieces when not in use. This feature makes the set suitable for repeated play and display, allowing the decorations to be safely stored inside the cake itself between celebrations.
The set is designed for ages 7 and up and offers flexibility in how the candles are used - either matching the birthday child's specific age or using all ten candles for maximum visual impact during party displays.
Where to Buy LEGO Birthday Party Cake for the Best Price
We've been tracking prices for this set since July 2026. The recommended retail price is $14.99. It's currently available from 7 retailers, with Boscov's offering the best price at $12.74, which is 15% below RRP. The lowest price we've ever recorded was $10.49 at Target in October 2026, 30% off RRP. Over its tracked history, prices have ranged from $10.49 to $17.95. This set is expected to retire end of this year, so prices may increase as availability decreases.
Set Details
- Set Number
- 40815
- Pieces
- 219
- Theme
- LEGO catalogues
- RRP
- $14.99
- Best Price
- $12.74
- Price per Piece
- 0.06p






