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9755 LEGO Mindstorms Temperature Sensor thumbnail image

9755 LEGO Mindstorms Temperature Sensor
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9755 LEGO Mindstorms Temperature Sensor
  • Temperature Sensor thumbnail
  • Temperature Sensor thumbnail

LEGO 9755 Temperature Sensor is a Mindstorms set from 1999 valued at $27 for new and sealed sets, up 13% from an original retail price of $23.99. Annual appreciation has averaged 0.44% since release. Used copies are valued between $11 and $13 depending on condition.

Set Value (New/Sealed)

This represents the current new/sealed value of the set Temperature Sensor since January 1999. Medium accuracy
LEGO 9755 Temperature Sensor is a Mindstorms accessory set released in 1999, containing 1 piece. It includes a cabled temperature sensor element that connects to the RCX brick in the first-generation Mindstorms system. Using the Mindstorms programming software, builders can read ambient temperature and trigger program actions based on thresholds or changes. It was sold as an add-on component for expanding Robotics Invention System builds.

A new and sealed Temperature Sensor is currently valued at around $27. The average used price is $11 for those in good overall condition. Based on current trends, this set could be valued near $27 within the next year.
Temperature Sensor has become a rare set, as set 9755-1 has not been seen for sale in new/good condition online or in retail for over one year. Its actual value is likely above the current estimate. The last brand new Temperature Sensor was sold on eBay.

For Sale (New/Sealed)

There are currently no new/sealed listings available for 9755 Temperature Sensor at this time.
All regions

For Sale (Used)

 (US) Used - eBay listing for 9755 Temperature Sensor $9.94
(CA) Used - BrickLink store Bricks 4 Kids $10.04

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 $205.18
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 $171.20
Growth  +14.1%
Annual growth 1.9%

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 $43.13
Growth  +72.6%
Annual growth 2.0%

9757 Touch Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 2
Availability Retired
9757 LEGO Mindstorms Touch Sensor
Retail $10.99
Value $15.25
Growth  +38.8%
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 $119.99
Growth  +9.1%

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 $20.90
Growth  +5.8%

9756 Rotation Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9756 LEGO Mindstorms Rotation Sensor
Retail $14.99
Value $16.57
Growth  +10.5%

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%

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Temperature 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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