# Motor Set 9 V #8720 — resale value

**Motor Set 9 V #8720** is worth about **$14** loose, based on real closed eBay sales. Sealed or new examples sell for around **$74.53**.

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Loose | $14 |
| Complete (CIB) | $53 |
| Sealed (new) | $75 |

Values are medians of real closed eBay sales, updated 2026-08-06. 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: Falling · -13%.

## 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%25208720%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%25208720%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 | 042884087203 |
| Brand | LEGO |
| Theme | LEGO Technic |

## Motor Set 9 V #8720 (LEGO Technic) resale value

A loose Motor Set 9 V #8720 set runs around $14, a complete copy (all pieces + box + instructions) about $53, and a factory-sealed box commands $75.

### 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 value condition for this LEGO Technic set?**

If you are building immediately, the loose condition is the most affordable at $14. For collectors, the sealed option at $74 provides maximum value.

**How much is the complete, used version of the Motor Set 9 V #8720?**

The complete, used version of the LEGO Technic Motor Set 9 V #8720 is currently listed for $53.

**Is the sealed version of this Technic set worth the extra cost?**

The sealed version is priced at $74, offering the benefit of being brand new compared to the loose ($14) or complete ($53) options.

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Full price guide: https://junkpal.ai/products/motor-set-9-v-8720-lego-technic-lego
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-06, based on real sold listings (junkpal.ai)"