Onyx #8512 — LEGO Technic Set Value
LEGO TechnicWhat the Onyx #8512 LEGO set is worth — loose, complete, and sealed.
Onyx #8512 value — Loose $9 · Complete (CIB) $15 · Sealed (new) $35. Prices updated July 2026.
Theme · LEGO Technic
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Item details
- Brand
- LEGO
- Theme
- LEGO Technic
Onyx #8512 (LEGO Technic) resale value
A loose Onyx #8512 set runs around $9, a complete copy (all pieces + box + instructions) about $15, and a factory-sealed box commands $35.
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 | $9 | eBay sold comps |
| Complete (CIB) | $15 | eBay sold comps |
| Sealed (new) | $35 | eBay sold comps |
Frequently asked questions
- What is the starting resale price for Onyx #8512?
- The loose version of LEGO Technic Onyx #8512 is currently listed for $9.
- How much more is a sealed set worth compared to a loose one?
- A sealed set is valued at $35, significantly higher than the $9 price point for a loose unit.
- Can I buy this in complete, but not sealed, condition?
- Yes, the complete (CIB) condition for Onyx #8512 is available for $15.