Retiring soonAges 7+

Birthday Party Cake (40815)

Name: Birthday Party Cake
Brand: LEGO
SKU: 40815

LEGO.com4.6(4)219 pieces · 5.9p each

Available From

No current price from any retailer we track. LEGO.com lists it at £12.99.

Also available

Argos

Not re-checked since 13 May 2026

£13.00

LEGO.comOfficial

Sets the RRP everything else is measured against

£12.99

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Building Instructions Brickset

Price Analysis

Not enough price data yet for a detailed analysis. We're tracking this set and will have insights available soon.

Price History & Buying Verdict

VerdictBuy now

•This set is marked as retiring soon by LEGO — once production stops, prices on the secondary market typically rise significantly.

We're still building up the price history for LEGO Birthday Party Cake (40815). Once we have a few weeks of data across LEGO.com and our tracked retailers, we'll show you the lowest recorded price, monthly averages, and a buy/wait recommendation here.

Want to see how LEGO Birthday Party Cake (set 40815) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

Birthday Party Cake (40815) is a LEGO set with 219 pieces, with an RRP of £12.99.

Add a sweet touch to celebrations with this playful LEGO® Birthday Party Cake kit for boys, girls and loved ones aged 7 and over. The buildable birthday cake opens to reveal a hidden compartment where there are pink and yellow flowers to decorate the cake. Every birthday cake needs candles, and you’ll find 10 of them included! Choose how many to add to this LEGO birthday cake toy so you can personalise the cake to reflect kids’ ages.

This set makes a fun birthday gift that can be played with long after the celebrations are over. Why not create a family tradition and bring it out year after year as part of your birthday party decor? But it’s not just for birthdays. This LEGO cake set is also a fun gift or decoration for any special occasion. So get ready to serve an extra slice of fun at your next celebration.

Features

Buildable birthday cake kit – This LEGO® Birthday Party Cake kit for boys, girls and loved ones aged 7 and up comes with decorations and candles to build a customizable celebration cake
LEGO® decorations – Add sugar-sweet birthday decorations to the cake with the flowers, swirls and candles
Includes 10 candles – Celebrate birthdays by personalizing the cake with the candles to match a child’s age or add all 10 to create a fun birthday decor display
Hidden compartment – The birthday cake toy features a hidden compartment where the decorations can be stored, making this a LEGO® set that can be played with or displayed time after time
A fun birthday gift for kids – This LEGO® cake set makes a great gift idea for kids aged 7 and up or for anyone celebrating a special occasion
Measurements – The main model in this 219-piece set measures over 2.5 in. (7 cm) high, 3.5 in. (9 cm) wide and 3.5 in. (9 cm) deep

Frequently Asked Questions about Birthday Party Cake

What is the best price for LEGO Birthday Party Cake (Set 40815)?

LEGO Birthday Party Cake (Set #40815) is currently priced at £12.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.

How many pieces are in LEGO set 40815?

LEGO Birthday Party Cake (Set #40815) contains 219 pieces. At the LEGO.com price of £12.99, that works out to approximately 5.9p per piece.

What age is LEGO Birthday Party Cake suitable for?

LEGO Birthday Party Cake (Set #40815) is recommended for ages 7+.

Where can I find the building instructions for LEGO Birthday Party Cake?

You can download the official building instructions for LEGO Birthday Party Cake (Set #40815) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.

Where can I buy LEGO Birthday Party Cake in the UK?

LEGO Birthday Party Cake (Set #40815) is available from LEGO.com at £12.99. We're monitoring other UK retailers for availability. Check our recent price drops for updates.

Is LEGO Birthday Party Cake being discontinued or retiring soon?

Yes — LEGO Birthday Party Cake is flagged as retiring soon by LEGO. Once production ends and remaining stock sells through, prices on the secondary market typically climb well above RRP. If this set is on your list, the safest window is now while retailers still have stock. Browse our list of retiring LEGO sets to see what else is on the way out.