Robotics Invention System [1.0] #9719 — LEGO Mindstorms Set Value
LEGO MindstormsWhat the Robotics Invention System [1.0] #9719 LEGO set is worth — loose, complete, and sealed.
Robotics Invention System [1.0] #9719 value — Loose 17,34 € · $20 · Complete (CIB) 70,22 € · $81 · Sealed (new) 86,69 € · $100. Prices updated août 2026.
Converted from USD at the ECB reference rate — sold comps are US-market sales.
Valeur CIB mensuelle, selon les ventes réelles. Chart values in USD.
See the actual sold listings on eBay ↗Live on eBay right now
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Données de prix vérifiées avec · 1
Item details
- UPC / EAN
- 5702010997190
- Brand
- LEGO
- Theme
- LEGO Mindstorms
- Set number
- #9719
- Release date
- January 1, 1998
Robotics Invention System [1.0] #9719 (LEGO Mindstorms) resale value
A loose Robotics Invention System [1.0] #9719 set runs around $20, a complete copy (all pieces + box + instructions) about $81, and a factory-sealed box commands $100.
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 | 17,34 € · $20 | eBay sold comps |
| Complete (CIB) | 70,22 € · $81 | eBay sold comps |
| Sealed (new) | 86,69 € · $100 | eBay sold comps |
Questions fréquentes
- What is the best deal for a beginner looking to start building?
- The loose version at $18 offers the most budget-friendly entry point into the LEGO Mindstorms system.
- How much more is the sealed version compared to the loose version?
- The sealed, new version is $82 more expensive than the loose version, priced at $100 versus $18.
- Is the CIB condition worth the extra cost over the loose parts?
- For collectors or those wanting all original packaging, the CIB version is available for $82, compared to $18 loose.
