Steam Engine #7750 — LEGO Train Set Value
LEGO TrainWhat the Steam Engine #7750 LEGO set is worth — loose, complete, and sealed.
Steam Engine #7750 value — Loose $288 · Complete (CIB) $429 · Sealed (new) $715. Prices updated July 2026.
Monthly CIB value, based on sold comps.
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Item details
- Brand
- LEGO
- Theme
- LEGO Train
- Set number
- #7750
- Release date
- January 1, 1980
Steam Engine #7750 (LEGO Train) resale value
A loose Steam Engine #7750 set runs around $288, a complete copy (all pieces + box + instructions) about $429, and a factory-sealed box commands $715.
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 | $288 | eBay sold comps |
| Complete (CIB) | $429 | eBay sold comps |
| Sealed (new) | $715 | eBay sold comps |
| Live asking — low / typical / high | $4.1 / $480.38 / $7,321 | 20 live eBay listings ↗ |
Market check: As of July 18, 2026, 20 live eBay listings ask $4.10–$7,320.95 (median $480.38).
Frequently asked questions
- What is the price difference between loose and complete?
- The loose version is available for $292, compared to $691 for the Complete (CIB) set.
- Is the sealed version worth the extra cost?
- The sealed, new version is listed at $711, offering the highest value for a pristine condition.
- What theme does this LEGO set belong to?
- This Steam Engine #7750 belongs to the LEGO Train theme.