Birthday Cake

LEGO^® Seasonal 40780 Birthday Cake

Name: LEGO® Seasonal Birthday Cake 40780
Brand: LEGO
SKU: 40780
Availability: InStock

Current best price

Market value (new, sealed) on November 12, 2026: $16.54.

LEGO 40780 is currently available from $20.94 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.

That is the lowest retailer price Brickfact has recorded in the last 30 days.

View the deal at Walmart.com

Updated November 12, 2026 at 9:00 PM EST

LEGO® Seasonal Birthday Cake 40780 (1/5)

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LEGO 40780 price comparison: where is it cheapest?

Prices incl. shipping to the US · Prices updated November 12, 2026 at 9:00 PM EST

Walmart.comBest price30-day low

$20.94

$13.95 + $6.99 shipping

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information

The Lego set Birthday Cake with the set number 40780 is part of the LEGO Seasonal theme and is recommended for ages 7+. It was released in January 2025. The model has 160 pieces, and we estimate it takes around < 1 hour to build.

The set weighs about 0.200 kg. The box measures 3⅛" x 3⅛" x 3⅛" in (8 x 8 x 8 cm cm).

Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $20.94 including shipping. That is $0.13 per piece. Unfortunately, the set is currently not available below its recommended retail price.

Lego 40780 product data

Set Information

Set ID

40780

Theme

Seasonal

Pieces

160

Building Time

< 1 hour

Age Range

Availability

Release

01/2025

Retiring Status

Retired (12/2025)

Packaging

Weight

0.200 kg

Packaging dimensions

3⅛" x 3⅛" x 3⅛" in

EAN (GTIN13)

5702017830674

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LEGO 40780 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value: $16.54
Range: $13.08 – $18.41
Average: $15.34

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LEGO 40780 price history: how has the price changed?

Currently from $20.94 – the lowest price Brickfact has recorded in the last 30 days.

Current best price: $20.94
30-day best price: $20.94 yesterday

Lowest price per retailer (since 10/12/2026)

Retailer	Current	Lowest price	Date
Walmart.com	$20.94	$20.94	11/13/26

As of: 11/13/2026, 01:00 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

Building Instruction for LEGO 40780 Birthday Cake

Part Lists for LEGO 40780 Birthday Cake

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 40780 Frequently Asked Questions

How much does LEGO 40780 Birthday Cake cost?

On November 12, 2026, the lowest price in the Brickfact price comparison is $20.94 incl. shipping at Walmart.com.

Where can I buy LEGO 40780 cheapest?

Only one retailer in the Brickfact price comparison currently stocks LEGO 40780: Walmart.com ($20.94).

Is LEGO 40780 still available?

LEGO has retired 40780 Birthday Cake. New copies are still available at 1 retailers in our price comparison while stocks last.

When was LEGO 40780 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 40780 was $20.94 on 11/12/2026 at Walmart.com, including shipping. Amazon prices are not included.