Sea Serpent #40912 — LEGO Ideas Set Value
LEGO IdeasWhat the Sea Serpent #40912 LEGO set is worth — loose, complete, and sealed.
Sea Serpent #40912 value — Loose $36 · Complete (CIB) $25 · Sealed (new) $42. Prices updated August 2026.
Theme · LEGO Ideas
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Item details
- Brand
- LEGO
- Theme
- LEGO Ideas
Sea Serpent #40912 (LEGO Ideas) resale value
A loose Sea Serpent #40912 set runs around $36, a complete copy (all pieces + box + instructions) about $25, and a factory-sealed box commands $42.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $36 | eBay sold comps |
| Complete (CIB) | $25 | eBay sold comps |
| Sealed (new) | $42 | eBay sold comps |
Frequently asked questions
- Is Sea Serpent #40912 still in its original packaging?
- Yes, the set is described as sealed (new).
- What is the theme of this LEGO set?
- The theme for Sea Serpent #40912 is LEGO Ideas.
- What is the current asking price for this item?
- The sealed, new price for Sea Serpent #40912 is $59.
