9842 · Mindstorms › NXT
Interactive Servo Motor
€ 24,99— currently unavailable
- RRP
- € 24,99
- € 24,99/brick
- Lowest measured
- € 24,99
1 pieces. From 2006.
Price comparison
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Minifigs in this set
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Accessories
Optional extras for this LEGO set. Not official LEGO products unless stated otherwise.
Set from the theme Mindstorms.
Specifications
- Set number: 9842
- Theme: Mindstorms / NXT
- Pieces: 1
- RRP (EU): €24,99
- RRP (UK): £21.49
- RRP (US): $24.99
- Release date: October 24, 2007
Notable parts
- 1 part appears in only a few other sets: Motor, NXT (Very Light Bluish Gray) — also in 8527 Mindstorms NXT, 9797 Mindstorms Education Base Set, 8547 Mindstorms NXT 2.0, 9797-2.
- 1 mould first came out in 2006, including in this set: Motor, NXT.
Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.
Price history
We have been tracking this set since 1 Sept 2026
Lowest measured€ 24,99since 1 Sept 2026
Highest measured€ 24,99since 1 Sept 2026
Current price since17 Sept 2026
Discount codes and vouchers are not counted here — the price actually paid can be lower than what we measure.
Hover or tap the chart for the exact date and price.
Lowest priceStore spreadRRP
Price changes
| Date | Lowest | Highest |
|---|---|---|
| 1 Sept 2026 | € 24,99 | € 24,99 |
| Store | Lowest measured | Date |
|---|---|---|
| LEGO.com | € 24,99 | 1 Sept 2026 |
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