Set Value (New/Sealed)

This represents the current new/sealed value of the set Keyfob Transponder since April 2008. Medium accuracy
LEGO Keyfob Transponder was a 10 piece Mindstorms set released in 2008. It consists of 10 additional keyfob transponders compatible with the MINDSTORMS NXT RF ID Sensor, enhancing functionality when paired with the MS1048 RF ID Sensor. It was retired in November 2009 with a lifespan of 19 months.
Keyfob Transponder is an extremely rare LEGO set these days, as we have not seen set MS1049-1 for sale online or in retail stores in good/new condition for over 2 years. Due to the rarity of this hard-to-find set, the current estimated value of $42.16 may be much lower than its true value, assuming it can be found for sale.
There are currently no new/sealed listings available for Keyfob Transponder at this time.
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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 $362.69
Growth  +45.1%
Annual growth 2.6%

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 $19.71
Growth  +97.3%
Annual growth 4.2%

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 $31.33
Growth  +213.6%
Annual growth 7.8%

RF ID Sensor

Theme / Subtheme Mindstorms / NXT
Year 2008
Pieces 3
Availability Retired
LEGO Mindstorms NXT RF ID Sensor
Retail $29.99
Value $89.59
Growth  +198.7%
Annual growth 7.4%

10285 Compass Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
10285 LEGO Mindstorms NXT Compass Sensor
Retail $54.99
Value $58.75
Growth  +6.8%
Annual growth 1.1%

10286 Color Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
10286 LEGO Mindstorms NXT Color Sensor
Retail $54.99
Value $76.80
Growth  +39.7%
Annual growth 4.8%

10287 Intelligent NXT Black Brick

Theme / Subtheme Mindstorms / NXT
Year 2009
Pieces 1
Availability Retired
10287 LEGO Mindstorms Intelligent NXT Black Brick
Retail $169.99
Value $175.31
Growth  +3.1%
Annual growth 5.6%

2852724 Accelerometer Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
2852724 LEGO Mindstorms NXT Accelerometer Sensor
Retail $54.99
Value $49.00

2852725 Infrared Seeker

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
2852725 LEGO Mindstorms NXT Infrared Seeker
Retail $49.99
Value $61.90
Growth  +23.8%
Annual growth 2.5%

2852726 Gyroscopic Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
2852726 LEGO Mindstorms NXT Gyroscopic Sensor
Retail $54.99
Value $68.17
Growth  +24.0%
Annual growth 1.9%

2853216 Infrared Link Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
2853216 LEGO Mindstorms NXT Infrared Link Sensor
Retail $54.99
Value $79.68
Growth  +44.9%
Annual growth 4.0%

2855040 Mindstorms NXT IR Receiver

Theme / Subtheme Mindstorms / NXT
Year 2010
Pieces 1
Availability Retired
2855040 LEGO Mindstorms NXT IR Receiver
Retail $49.99
Value $74.99
Growth  +50.0%
Annual growth 4.1%

4524081 Mindstorms NXT CD

Theme / Subtheme Mindstorms / NXT
Year 2007
Pieces 1
Availability Retired
4524081 LEGO Mindstorms NXT CD
Retail $19.99
Value $28.28
Growth  +41.5%
Annual growth 2.2%

9749 NXT Temperature Sensor

Theme / Subtheme Mindstorms / NXT
Year 2009
Pieces 1
Availability Retired
9749 LEGO Mindstorms NXT Temperature Sensor
Retail $39.95
Value $51.28
Growth  +28.4%
Annual growth 1.6%

9798 Rechargeable Battery

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9798 LEGO Mindstorms NXT Rechargeable Battery
Retail $54.99
Value $58.39
Growth  +6.2%

9833-2 Transformer

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9833-2 LEGO Mindstorms NXT Transformer
Retail $23.99
Value $24.99
Growth  +4.2%

9841 NXT Intelligent Brick

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9841 LEGO Mindstorms NXT Intelligent Brick
Retail $169.99
Value $289.93
Growth  +70.6%
Annual growth 2.9%

9842 Interactive Servo Motor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9842 LEGO Mindstorms NXT Interactive Servo Motor
Retail $24.99
Value $27.31
Growth  +9.3%
Annual growth 2.3%

9843 Touch Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9843 LEGO Mindstorms NXT Touch Sensor
Retail $24.99
Value $30.90
Growth  +23.6%
Annual growth 3.5%

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 $54.95
Growth  +57.0%
Annual growth 4.7%

9846 Ultrasonic Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9846 LEGO Mindstorms NXT Ultrasonic Sensor
Retail $39.99
Value $45.29
Growth  +13.3%
Annual growth 1.5%

9847 Bluetooth Dongle

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9847 LEGO Mindstorms NXT Bluetooth Dongle
Retail $32.50
Value $30.33

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 $72.55
Growth  +31.9%
Annual growth 3.5%

Color Sensor for Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2007
Pieces 1
Availability Retired
LEGO Color Sensor for Mindstorms NXT
Retail $54.99
Value $59.59
Growth  +8.4%
Add even more functionality to your MINDSTORMS NXT RF ID Sensor (sold separately) with 10 additional keyfob transponders! Requires MS1048 RF ID Sensor, sold separately. 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) for use.
Description provided by LEGO©