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9842 LEGO Mindstorms NXT Interactive Servo Motor thumbnail image

9842 LEGO Mindstorms NXT Interactive Servo Motor
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9842 LEGO Mindstorms NXT Interactive Servo Motor
  • Interactive Servo Motor thumbnail
  • Interactive Servo Motor thumbnail
  • Interactive Servo Motor thumbnail

LEGO 9842 Interactive Servo Motor is a Mindstorms set valued at $28 for new and sealed sets, up 13% from an original retail price of $24.99. The set retired in January 2016 with annual appreciation averaging 2.58% since. Used copies are valued between $12 and $15 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Interactive Servo Motor since August 2016. Very high accuracy
LEGO 9842 Interactive Servo Motor is a Mindstorms NXT set released in 2006, containing 1 piece. The servo motor integrates a rotation sensor that measures speed and distance and reports data to the NXT Intelligent Brick, enabling precise, one-degree motor positioning. This standalone component is supplied without a connector cable and is designed for use with the LEGO Mindstorms NXT sets 8527 or 8547.

A new and sealed Interactive Servo Motor is currently valued at around $28, with annual growth of 1.7% that is expected to level off to around 1.3% in the coming year. The average used price is $13 for those in good overall condition. Based on current trends, this set could be valued near $28 within the next year. New and sealed listings currently range from $27 to $32. The set was available for 99 months, from October 2007 to January 2016.
All regions

For Sale (New/Sealed)

 (US) BrickLink store Bricks in Biloxi $26.00
-7.9%
(US) eBay listing for Interactive Servo Motor $27.39
-3.0%
(LU) BrickLink store dino's world $27.79
-1.6%
(US) BrickLink store Brick Enabler $28.29
+0.2%
(US) BrickLink store BIG DEPOT $29.99
+6.2%
(CA) New in Sealed Poly Bag $34.65
+22.7%

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 9842 Interactive Servo Motor.

Sets in Mindstorms / NXT

8527 Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 577
Availability Retired
8527 LEGO Mindstorms NXT
Retail $249.99
Value $405.08
Growth  +62.0%
Annual growth 2.3%

8529 Connector Cables for Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 7
Availability Retired
8529 LEGO Connector Cables for Mindstorms NXT
Retail $9.99
Value $19.98
Growth  +100.0%
Annual growth 3.7%

8528 Converter Cables for Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 3
Availability Retired
8528 LEGO Converter Cables for Mindstorms NXT
Retail $9.99
Value $36.39
Growth  +264.3%
Annual growth 9.6%

9798 Rechargeable Battery

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9798 LEGO Mindstorms NXT Rechargeable Battery
Retail $54.99
Value $59.29
Growth  +7.8%

9833-2 Transformer

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9833-2 LEGO Mindstorms NXT Transformer
Retail $23.99
Value $31.80
Growth  +32.6%
Annual growth 2.1%

9841 NXT Intelligent Brick

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9841 LEGO Mindstorms NXT Intelligent Brick
Retail $169.99
Value $326.87
Growth  +92.3%
Annual growth 6.5%

9843 Touch Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9843 LEGO Mindstorms NXT Touch Sensor
Retail $24.99
Value $32.36
Growth  +29.5%
Annual growth 3.7%

9844 Light Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9844 LEGO Mindstorms NXT Light Sensor
Retail $24.99
Value $16.99

9845 Sound Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9845 LEGO Mindstorms NXT Sound Sensor
Retail $34.99
Value $57.66
Growth  +64.8%
Annual growth 4.9%

9846 Ultrasonic Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9846 LEGO Mindstorms NXT Ultrasonic Sensor
Retail $39.99
Value $45.76
Growth  +14.4%
Annual growth 1.3%

9847 Bluetooth Dongle

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9847 LEGO Mindstorms NXT Bluetooth Dongle
Retail $32.50
Value $32.00

Compass Sensor for Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
LEGO Compass Sensor for Mindstorms NXT
Retail $54.99
Value $73.84
Growth  +34.3%
Annual growth 3.7%

My Collection

Interactive Servo Motor Reviews

22 reviews
4.5
Collectors
Investors
LEGO Engineering
“Each motor has a built-in Rotation Sensor. This lets your control your robot’s movements precisely. The Rotation Sensor measures motor rotations in degrees or full rotations [accuracy of +/- one degree]. One rotation is equal to 360 degrees, so if you set a motor to turn 180... More degrees, its output shaft will make half a turn.”
Full review at www.legoengineering.com

About Mindstorms NXT

The LEGO Mindstorms NXT programmable robotics kit released by LEGO in July 2006, replacing the first-generation LEGO Mindstorms kit. The kit also includes NXT-G, a graphical programming environment that enables the creation and downloading of programs to the NXT.

NXT consists of 30 sets that ran from 2006 to 2011. As of today, 8527 Mindstorms NXT is the most valuable NXT set with an estimated new/factory sealed value of $405.
Summary
Mindstorms NXT Interactive Servo Motor set 9842 was released on October 24, 2007, retailing for $25, it has since been retired. New, unopened sets are valued at $28, while used sets sell around $13.
Read more
Take precise steps!

The Servo Motor has a built-in rotation sensor that measures speed and distance, and reports back to the NXT Intelligent Brick (sold separately.) This allows for precise steps and complete motor control within one degree of accuracy! Several motors can be aligned to drive at the same speed.

Includes 1 Servo Motor.
Does not include connector cable.
This is the individual component, and does not include the NXT Intelligent Brick, software or any accessories. It requires the complete LEGO® MINDSTORMS® NXT set (#8527 or #8547) for use.
Description provided by LEGO©