# Master Builder Set #10023 — resale value

**Master Builder Set #10023** is worth about **$68** loose, based on real closed eBay sales. Sealed or new examples sell for around **$257.43**.

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Loose | $68 |
| Complete (CIB) | $109 |
| Sealed (new) | $257 |

Values are medians of real closed eBay sales, updated 2026-07-31. 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.

Recent movement: Steady.

## 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%2520Bionicle%252010023%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%2520Bionicle%252010023%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 |
| --- | --- |
| UPC / EAN | 0899989002545 |
| Brand | LEGO |
| Theme | LEGO Bionicle |
| Set number | #10023 |
| Release date | January 1, 2002 |

## Master Builder Set #10023 (LEGO Bionicle) resale value

A loose Master Builder Set #10023 set runs around $68, a complete copy (all pieces + box + instructions) about $109, and a factory-sealed box commands $257.

### 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 price for a loose Master Builder Set #10023?**

A loose Master Builder Set #10023 is currently priced at $59.

**Can I buy this set brand new and sealed?**

Yes, the sealed, new version of the LEGO Bionicle Master Builder Set #10023 is available for $212.

**How much is the complete in-box version?**

The complete (CIB) version of the set is listed for $102.

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Full price guide: https://junkpal.ai/products/master-builder-set-10023-lego-bionicle-lego
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-31, based on real sold listings (junkpal.ai)"