Set 40905
Birthday Cupcake
On shelves nowRetail price—Not on file
Worth now$19.25Based on 4 recent sealed sales
Asking now$24.99Typical price on 25 eBay listings
vs retail—Needs both prices
No retail price on file
Worth $19 today, but without a retail price there's nothing to judge that against.
How much is LEGO 40905 Birthday Cupcake worth?
LEGO 40905 Birthday Cupcake is worth about $19.25 sealed right now, based on 4 recent sealed sales. It came out in 2026 with 174 pieces and 1 minifigure. It's still sold in shops. Over the last 87 days its typical asking price has fallen 3%, from $25.87 to $24.99. We last checked it 5 days ago.
Price history
Value history
Oct 21$2525 listings
- Lowest
- $23
- Highest
- $26
- Change
- -3%
- Asking vs retail
- —
27 observations · median asking · rechecked 8× daily
Should you buy it?
Sellers want $25, but it’s actually been going for $19. Offer low.
If you bought it to resell
Sells sealed for$19
Marketplace fees · 15.25%−$3
Payment processing · 2.9% + $0.30−$1
Shipping · est. from 174 pieces−$9
Reaches you$6
Pay no more than$5
For a 30% return at your costs. Change them and every figure on the site follows.
How long has it been on shelves?
Still early — released 2026, and sets like this usually run about 3 years. No hurry.
LEGO never announces retirement dates. This is only how long the set has been available against how long sets of its size usually run — not a prediction, and not inside information.
What it actually sold for
Sealed
$19
4 sold in six months · $18–$20Sellers are asking 30% more than buyers actually paid. The $25 figure above is a ceiling; this is the floor to negotiate toward.
Completed BrickLink transactions over the last six months. Real sales, not asking prices.
Set details
- Set number
- 40905
- Theme
- Seasonal
- Released
- 2026
- Status
- On shelves now
- Pieces
- 174
- Minifigures
- 1
- Retail price
- —
- Value per piece
- $0.144
- Price confidence
- high · 25 listings
- Last checked
- 5 days ago
Where these numbers come from
eBay25 live listingsThe asking price here — the median of what sellers want right now, $25. Last checked Oct 21.See the listings →BrickLink4 completed salesWhat it actually sold for — $19 across six months of real transactions. Last checked Oct 22.Open the price guide →Catalogue174 piecesPiece counts, minifigures, release year and retail price come from Rebrickable and Brickset.See the catalogue entry →
eBay links are affiliate links — if you buy after clicking, we earn a small commission at no cost to you, and that is what pays for the site. BrickLink has no such programme, so those are plain links. Neither changes what we show or what we say about it.
How to read this. The value is the median of live sealed listings, after removing instructions, empty boxes, used sets, multi-set lots and implausible outliers. Real sale prices usually land below asking, so the buy-below figure is deliberately the conservative end of the range.
More Seasonal sets from around 2026
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