NASA Mars Science Laboratory Curiosity Rover #21104 — LEGO Ideas Set Value
LEGO IdeasWhat the NASA Mars Science Laboratory Curiosity Rover #21104 LEGO set is worth — loose, complete, and sealed.
NASA Mars Science Laboratory Curiosity Rover #21104 value — Loose $68 · Complete (CIB) $103 · Sealed (new) $230. Prices updated September 2026.
Monthly CIB value, based on sold comps.
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Price data verified against · 1
Item details
- UPC / EAN
- 697597993084
- Brand
- LEGO
- Theme
- LEGO Ideas
- Set number
- #21104
- Release date
- January 1, 2014
NASA Mars Science Laboratory Curiosity Rover #21104 (LEGO Ideas) resale value
A loose NASA Mars Science Laboratory Curiosity Rover #21104 set runs around $68, a complete copy (all pieces + box + instructions) about $103, and a factory-sealed box commands $230.
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 | $68 | eBay sold comps |
| Complete (CIB) | $103 | eBay sold comps |
| Sealed (new) | $230 | eBay sold comps |
Frequently asked questions
- What is the best deal for buying this set?
- The loose version offers the most accessible entry point at $70, while the sealed option guarantees new condition for $230.
- How much does the complete in box version sell for?
- The complete (CIB) version of the NASA Curiosity Rover is currently listed for $101.
- Is this set considered rare or high-demand?
- As a LEGO Ideas set, its demand is driven by its specific theme and collectible nature, with prices varying significantly by condition.
