RoboSports #9730 — LEGO Mindstorms Set Value
LEGO MindstormsWhat the RoboSports #9730 LEGO set is worth — loose, complete, and sealed.
RoboSports #9730 value — Loose $20 · Complete (CIB) $27 · Sealed (new) $30. Prices updated August 2026.
Theme · LEGO Mindstorms
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Item details
- Brand
- LEGO
- Theme
- LEGO Mindstorms
RoboSports #9730 (LEGO Mindstorms) resale value
A loose RoboSports #9730 set runs around $20, a complete copy (all pieces + box + instructions) about $27, and a factory-sealed box commands $30.
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.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $20 | eBay sold comps |
| Complete (CIB) | $27 | eBay sold comps |
| Sealed (new) | $30 | eBay sold comps |
Frequently asked questions
- What is the price for a loose RoboSports #9730?
- A loose RoboSports #9730 set is currently available for $21.
- Is the Complete (CIB) version a good buy?
- Yes, the Complete (CIB) version is listed for $27, offering a good balance of condition and price.
- Where can I find a brand new, sealed copy?
- You can purchase the sealed, new version of RoboSports #9730 for $30.
