# Onyx #8512 — resale value

**Onyx #8512** is worth about **$9** loose, based on real closed eBay sales. Sealed or new examples sell for around **$34.95**.

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Loose | $9 |
| Complete (CIB) | $15 |
| Sealed (new) | $35 |

Values are medians of real closed eBay sales, updated 2026-07-30. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Technic%25208512%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Technic%25208512%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| 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.

## FAQ

**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.

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Full price guide: https://junkpal.ai/products/onyx-8512-lego-technic-lego
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-30, based on real sold listings (junkpal.ai)"