Set 4505
Sea Machines
RetiredRetail price—Not on file
Worth now$57.50Typical sealed asking price · 4 listings
Recently sold$16.99Only 1 sale so far — too few to lean on
vs retail—Needs both prices
Not enough data
Fewer than 5 listings behind this value — too thin to call.
How much is LEGO 4505 Sea Machines worth?
LEGO 4505 Sea Machines is worth about $57.50 sealed right now, based on 4 live sealed listings on eBay. It came out in 2004 with 168 pieces. It's retired. We last checked it 3 days ago.
Price history
We’ve only measured this set once so far. The chart appears once there are two readings — usually within a few days.
Should you buy it?
Only 4 listings behind this. I wouldn’t bet money on the number yet.
If you bought it to resell
Sells sealed for$58
Marketplace fees · 15.25%−$9
Payment processing · 2.9% + $0.30−$2
Shipping · est. from 168 pieces−$9
Reaches you$38
Pay no more than$29
For a 30% return at your costs. Change them and every figure on the site follows.
What it actually sold for
Sealed
$17
1 sold in six monthsUsed
$9
3 sold in six monthsSellers are asking 238% more than buyers actually paid. The $58 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
- 4505
- Theme
- Creator · Designer Sets
- Released
- 2004
- Status
- Retired
- Pieces
- 168
- Minifigures
- —
- Retail price
- —
- Value per piece
- $0.342
- Price confidence
- low · 4 listings
- Last checked
- 3 days ago
Where these numbers come from
eBay4 live listingsThe asking price here — the median of what sellers want right now, $58. Last checked Oct 25.See the listings →BrickLink1 completed salesWhat it actually sold for — $17 across six months of real transactions. Last checked Oct 25.Open the price guide →Catalogue168 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.
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