Birthday Party Cake

Birthday Party Cake (40815-1) is a set in the Seasonal theme, released in 2025. It has 219 pieces.

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Number:40815-1
Released:June 2025
Pieces:219
Box size:19.1 × 14.1 × 6.1 cm
Box weight:235 g
Theme:Seasonal

Box size and weight as measured by Brickset.

In numbers

Over the last 30 days the lowest shop price recorded for this set was 11.96 USD, taken from 30 days with a price on record.

Since 9/25/2026 the lowest shop price has fallen from 15.95 USD to 12.06 USD, by 24 % (based on 42 days with a price on record).

LEGO expects to retire this set in December 2026.

Product details

Number: 40815-1
Name: Birthday Party Cake
Theme: Seasonal
Released: June 2025
Launched: June 2025
Retires: December 2026 (expected)
Pieces: 219
RRP: ≈ 12.63 USD (17.99 CAD) (Canada)≈ 16.83 USD (14.99 EUR) (Germany)≈ 17.15 USD (12.99 GBP) (United Kingdom)14.99 USD (United States)
Price per piece: ≈ 0.058 USD (0.082 CAD) (Canada)≈ 0.077 USD (0.068 EUR) (Germany)≈ 0.078 USD (0.059 GBP) (United Kingdom)0.068 USD (United States)
Best price (30 days): 11.96 USD
Price per piece (best offer): 0.055 USD
Barcodes from shop data, not confirmed: EAN-13 5702017830872

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

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View the price guide on BrickLink

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Description from LEGO.com

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 lon

Source: LEGO Shop Advertising

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Pricing

Best price ever≈ 11.96 USD (10.70 EUR) Advertising Sealed · gross · BRICKMO · seen 11/3/2026

Current best offer≈ 12.06 USD (10.70 EUR) Advertising Sealed · gross · BRICKMO · seen 11/5/2026

Price history

Lowest shop price now12.06 USD
Lowest ever 11.96 USD

Each day's lowest price among the shops' current offers, including VAT. A price in another currency is converted at the ECB reference rate of its day.

Monthly lows as a table

Month	Lowest price
November 2026	11.96 USD
October 2026	12.73 USD
September 2026	13.16 USD

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition

Nobody has sold this set recently.

Sources idee+spiel: 51 · Hamleys: 40 · Proshop: 40 · The Entertainer: 36 · LEGO® Shop (FR): 35 · LEGO® Shop (BR): 33 · Thalia: 30 · LEGO® Shop (BE): 27 · LEGO® Shop (GB): 27 · LEGO® Shop (DK): 26 · LEGO® Shop (ES): 26 · LEGO® Shop (FI): 26 · LEGO® Shop (IE): 26 · LEGO® Shop (LU): 26 · LEGO® Shop (PT): 26 · LEGO® Shop (SE): 26 · LEGO® Shop (NL): 25 · LEGO® Shop (NO): 25 · Thalia (AT): 19 · bücher.de: 18 · Orell Füssli: 17 · OTTO: 15 · Toy Street: 15 · Zatu Games: 15 · MediaMarkt (AT): 13 · Conrad (BE): 6 · Conrad (DE): 6 · Conrad (NL): 6 · BRICKMO: 3

Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 12.63 USD (17.99 CAD) unknown tax basis Available since 5/3/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

Germany ≈ 16.83 USD (14.99 EUR) gross Available since 5/3/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United Kingdom ≈ 17.15 USD (12.99 GBP) gross Available since 5/3/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United States 14.99 USD net Available since 5/3/2025 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

51 inventory lines

Catalogue image of the part Brick Special 1 x 2 with 2 Studs on 1 Side

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Reddish Brown

×2

Plate 3 x 3 11212· Reddish Brown

×8

Catalogue image of the part Brick Curved 2 x 1 No Studs [1/2 Bow]

Brick Curved 2 x 1 No Studs [1/2 Bow] 11477· Bright Light Yellow

×8

Catalogue image of the part Brick Curved 2 x 2 x 2/3

Brick Curved 2 x 2 x 2/3 15068· Lime

×8

Brick Curved 2 x 2 x 2/3 15068· Medium Azure

×8

Catalogue image of the part Tile Round 1 x 2 Half Circle

Tile Round 1 x 2 Half Circle 1748· Dark Pink

×28

Catalogue image of the part Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Plate Special Round 2 x 2 with Center Stud (Jumper Plate) 18674· Dark Pink

×1

Catalogue image of the part Plate Round Corners 2 x 6 Double

Plate Round Corners 2 x 6 Double 18980· Reddish Brown

×2

Catalogue image of the part Tile Special Round 1 x 1 with Hollow Bar

Tile Special Round 1 x 1 with Hollow Bar 20482· White

×10

Catalogue image of the part Tile Round 1 x 1 Half Circle

Tile Round 1 x 1 Half Circle 24246· Reddish Brown

×18

Catalogue image of the part Plant, Flower, Plate Round 1 x 1 with 5 Petals

Plant, Flower, Plate Round 1 x 1 with 5 Petals 24866· Bright Pink

×8

Plant, Flower, Plate Round 1 x 1 with 5 Petals 24866· Bright Light Orange

×8

Catalogue image of the part Brick Special 1 x 1 with Studs on 2 Adjacent Sides

Brick Special 1 x 1 with Studs on 2 Adjacent Sides 26604· White

×4

Brick 1 x 8 3008· Reddish Brown

×2

Brick 1 x 6 3009· White

×4

Plate 2 x 4 3020· Reddish Brown

×4

Same theme, piece count within 15 %

Similar sets

Birthday Party Cake

In numbers

Product details

BrickLink market data

Description from LEGO.com

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Building instructions

Parts in this set

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