# MX-81 Hypersonic Operations Aircraft #7644 — resale value

Source: JunkPal price guide — https://junkpal.ai/products/mx-81-hypersonic-operations-aircraft-7644-lego-space-lego

**MX-81 Hypersonic Operations Aircraft #7644** is worth about **$75** loose, based on real closed eBay sales. Sealed or new examples sell for around **$400**.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/mx-81-hypersonic-operations-aircraft-7644-lego-space-lego

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Loose | $75 |
| Complete (CIB) | $178 |
| Sealed (new) | $400 |

Values are medians of real closed eBay sales, updated 2026-08-07. 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%2520MX-81%2520Hypersonic%2520Operations%2520Aircraft%25207644%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%2520MX-81%2520Hypersonic%2520Operations%2520Aircraft%25207644%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 | 0673419101486 |
| Brand | LEGO |
| Theme | LEGO Space |
| Set number | #7644 |
| Release date | January 1, 2008 |

## MX-81 Hypersonic Operations Aircraft #7644 (LEGO Space) resale value

A loose MX-81 Hypersonic Operations Aircraft #7644 set runs around $75, a complete copy (all pieces + box + instructions) about $178, and a factory-sealed box commands $400.

### 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 best deal for buying this LEGO set?**

The best value depends on your needs; loose is the most affordable at $75, while sealed offers maximum investment potential at $348.

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

The Complete (CIB) version of the MX-81 Hypersonic Operations Aircraft #7644 is currently listed for $185.

**Is the sealed version worth the extra cost?**

Yes, the sealed, new version is available for $348, offering the highest collectible value for LEGO Space enthusiasts.

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Full price guide: https://junkpal.ai/products/mx-81-hypersonic-operations-aircraft-7644-lego-space-lego
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-07, based on real sold listings (junkpal.ai)"