Motor Set 9 V #8720 — LEGO Technic Set Value
LEGO TechnicWhat the Motor Set 9 V #8720 LEGO set is worth — loose, complete, and sealed.
Motor Set 9 V #8720 value — Loose $14 · Complete (CIB) $57 · Sealed (new) $75. Prices updated July 2026.
Theme · LEGO Technic
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↘ Falling · -13%
Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- UPC / EAN
- 042884087203
- Brand
- LEGO
- Theme
- LEGO Technic
- Set number
- #8720
- Release date
- January 1, 1990
Motor Set 9 V #8720 (LEGO Technic) resale value
A loose Motor Set 9 V #8720 set runs around $14, a complete copy (all pieces + box + instructions) about $57, and a factory-sealed box commands $75.
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 | $14 | eBay sold comps |
| Complete (CIB) | $57 | eBay sold comps |
| Sealed (new) | $75 | eBay sold comps |
Frequently asked questions
- What is the best value condition for this LEGO Technic set?
- If you are building immediately, the loose condition is the most affordable at $14. For collectors, the sealed option at $74 provides maximum value.
- How much is the complete, used version of the Motor Set 9 V #8720?
- The complete, used version of the LEGO Technic Motor Set 9 V #8720 is currently listed for $53.
- Is the sealed version of this Technic set worth the extra cost?
- The sealed version is priced at $74, offering the benefit of being brand new compared to the loose ($14) or complete ($53) options.