Futuron Monorail Transport System #6990 — LEGO Space Set Value
LEGO SpaceWhat the Futuron Monorail Transport System #6990 LEGO set is worth — loose, complete, and sealed.
Futuron Monorail Transport System #6990 value — Loose $132 · Complete (CIB) $506 · Sealed (new) $2,139. Prices updated August 2026.
Monthly CIB value, based on sold comps.
See the actual sold listings on eBay ↗Live on eBay right now
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Price data verified against · 1
Item details
- UPC / EAN
- 0042884069902
- Brand
- LEGO
- Theme
- LEGO Space
- Set number
- #6990
- Release date
- January 1, 1987
Futuron Monorail Transport System #6990 (LEGO Space) resale value
A loose Futuron Monorail Transport System #6990 set runs around $132, a complete copy (all pieces + box + instructions) about $506, and a factory-sealed box commands $2139.
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 | $132 | eBay sold comps |
| Complete (CIB) | $506 | eBay sold comps |
| Sealed (new) | $2,139 | eBay sold comps |
| Live asking — low / typical / high | $13 / $511.16 / $3,999 | 20 live eBay listings ↗ |
Market check: As of July 18, 2026, 20 live eBay listings ask $13.00–$3,999.00 (median $511.16).
Frequently asked questions
- What is the value difference between loose and complete?
- Loose pieces are priced at $158, whereas the Complete (CIB) version is listed for $478.
- Is the sealed version worth the investment?
- The sealed, new version of the Futuron Monorail is valued significantly higher at $2139.
- Where can I find this LEGO Space set?
- You can find this set available loose, complete, or sealed on our marketplace.