Sea Serpent (40912-1) is a LEGO Twilight set from 2026 valued at $25.41 on BrickLink.
Sea Serpent sells for an average of $25.41 used and $44.60 new/sealed on BrickLink based on 6 months of completed sales. Current retail availability may affect secondary market prices. Actual prices vary with completeness. Missing minifigures or key parts will lower the value.
Sea Serpent was released in 2026. It should still be widely available at retail from LEGO and authorized retailers.
Use the parts list on this page to check every piece. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.
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