# Cyber Challenge #8239 — resale value

**Cyber Challenge #8239** is worth about **$5** loose, based on real closed eBay sales. Sealed or new examples sell for around **$54.47**.

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Loose | $5 |
| Sealed (new) | $54 |

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%25208239%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%25208239%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 |

## Cyber Challenge #8239 (LEGO Technic) resale value

A loose Cyber Challenge #8239 set runs around $5, a complete copy (all pieces + box + instructions) about null, and a factory-sealed box commands $54.

### 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

**Is the sealed version of Cyber Challenge #8239 worth the extra cost?**

Yes, the sealed version is available for $54, offering the benefit of a brand-new, complete set.

**What is the lowest price I can get this LEGO Technic set for?**

You can purchase the loose version of Cyber Challenge #8239 for only $5.

**Does the theme LEGO Technic affect the resale value?**

As a LEGO Technic set, it appeals to a specific enthusiast market, with prices ranging from $5 (loose) to $54 (sealed).

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Full price guide: https://junkpal.ai/products/cyber-challenge-8239-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)"