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LEGO Ideas and CUUSOO Sea Serpent (40912-1)

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Condition

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Market Read

High confidence - Recent completed sales

CollectAIO Value

$51.99
21 historical sales25 active listingshistorical eBay sales $51.99lowest eBay listing $51.04

Based on recent completed sales. Current asking prices are shown separately because they may not clear.

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Price History

CollectAIO Estimate

Today's CollectAIO Value: $51.99 Based on recent completed sales. Current asking prices are shown separately because they may not clear.

Estimated from archived BrickLink, TCGPlayer, and matched eBay signals where available. Raw source lines are available in Compare sources.

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Details
Set Number: 40912-1
Year: 2026
0
Theme Path: LEGO Ideas and CUUSOO

Included Minifigs

Loose Complete resale floor. Not added to sealed set value.

$23.28 total2 of 2 priced
Minifigs Griffin Knight, Female, Dark Blue Arms (FIG-017958)
Minifigs Griffin Knight, Female, Dark Blue Arms (FIG-017958)
fig-017958Qty 1Active floor
Sold $24.54 / Active $11.64
Unit
$11.64
Extended
$11.64
Minifigs Griffin Knight, Male, Dark Blue Arms (FIG-017959)
Minifigs Griffin Knight, Male, Dark Blue Arms (FIG-017959)
fig-017959Qty 1Active floor
Sold $16.20 / Active $11.64
Unit
$11.64
Extended
$11.64

Historical Sold Comp Trend

Historical matched sales moved down -$9.80 (-16.4%) from week of Jun 29 to week of Jul 27; latest sale Jul 31, 2026.

View trend

Older matched eBay sales are shown as historical context, not current momentum.

First Week
$59.79
Week of Jun 29 • 1 comp
Latest Week
$49.99
Week of Jul 27 • 3 comps
Move
-$9.80
21 included sold comps across 5 weeks
21 matched eBay sold comps used in historical context
Collector previewLoaded row sorting is free during launch.
Sorted by sold date (descending)

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