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9756 LEGO Mindstorms Rotation Sensor thumbnail image

9756 LEGO Mindstorms Rotation Sensor
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9756 LEGO Mindstorms Rotation Sensor
  • Rotation Sensor thumbnail
  • Rotation Sensor thumbnail
  • Rotation Sensor thumbnail

LEGO 9756 Rotation Sensor is a Mindstorms set from 1999 valued at $17 for new and sealed sets, up 11% from an original retail price of $14.99. Annual appreciation has averaged 0.37% since release. Used copies are valued between $9 and $11 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Rotation Sensor since June 1999. Medium accuracy
LEGO 9756 Rotation Sensor is a Mindstorms accessory released in 1999, containing 1 piece. It includes a dark blue and black sensor element that detects and measures rotation for use in Mindstorms builds. The sensor is designed for the RCX brick and is supported by ROBOLAB and LEGO Dacta educational software. It enables projects to read rotational input from axles or motors for tasks such as tracking angle and direction.

A new and sealed Rotation Sensor is currently valued at around $17. The average used price is $9 for those in good overall condition. Based on current trends, this set could be valued near $17 within the next year.
It has been a few months since we last saw 9756 Rotation Sensor available in either primary or secondary markets. Its true value may be slightly higher than our current estimate. The last brand new Rotation Sensor was sold on eBay.

For Sale (New/Sealed)

There are currently no new/sealed listings available for 9756 Rotation Sensor at this time.
All regions

For Sale (Used)

 (US) Used - eBay listing for 9756 Rotation Sensor $8.90
(US) Used - - no packaging but complete with lead & 2 x 2 x 2/3 brick (as shown in image),... $8.99

Sets in Mindstorms / 1

9747 Robotics Invention System

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 726
Availability Retired
9747 LEGO Mindstorms Robotics Invention System
Retail $199.99
Value $205.23
Growth  +2.6%

9735 Robotics Discovery Set

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 390
Availability Retired
9735 LEGO Mindstorms Robotics Discovery Set
Retail $149.99
Value $172.00
Growth  +14.7%
Annual growth 2.0%

3803 Robotics Invention System Upgrade Kit

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 70
Availability Retired
3803 LEGO Mindstorms Robotics Invention System Upgrade Kit
Retail $24.99
Value $43.38
Growth  +73.6%
Annual growth 2.1%

9757 Touch Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 2
Availability Retired
9757 LEGO Mindstorms Touch Sensor
Retail $10.99
Value $15.30
Growth  +39.2%
Annual growth 1.2%

9709 RCX Programmable LEGO Brick

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9709 Mindstorms RCX Programmable LEGO Brick
Retail $109.99
Value $120.09
Growth  +9.2%

9738 RCX Remote Control Unit

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9738 LEGO Mindstorms RCX Remote Control Unit
Retail $19.75
Value $20.92
Growth  +5.9%

9755 Temperature Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9755 LEGO Mindstorms Temperature Sensor
Retail $23.99
Value $27.03
Growth  +12.7%

9758 Light Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9758 LEGO Mindstorms Light Sensor
Retail $19.75
Value $19.99
Growth  +1.2%
Annual growth 2.1%

My Collection

Rotation Sensor Reviews

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About Mindstorms 1

This was the first generation of the LEGO Mindstorms platform also known as the original Robotics Invention System.

1 consists of 20 sets that ran from 1998 to 2004. As of today, 9747 Robotics Invention System is the most valuable 1 set with an estimated new/factory sealed value of $205.
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