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9841 LEGO Mindstorms NXT Intelligent Brick thumbnail image

9841 LEGO Mindstorms NXT Intelligent Brick
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9841 LEGO Mindstorms NXT Intelligent Brick
  • NXT Intelligent Brick thumbnail
  • NXT Intelligent Brick thumbnail

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set NXT Intelligent Brick since January 2016. High accuracy
LEGO 9841 NXT Intelligent Brick was a Mindstorms set released in 2006. It contains an Inteligent Brick for the Mindstorms NXT. It was retired in January 2016 with a lifespan of 99 months. The current value for a new and sealed NXT Intelligent Brick is estimated at $284, with an average annual growth of approximately 3%. Current used prices for NXT Intelligent Brick range from $37 to $65, depending on the set's condition, with an average price of $40 for those in good overall condition.
All regions

For Sale (New/Sealed)

 (US) Amazon listing for NXT Intelligent Brick ~$298.52
+5.0%
(CZ) LOT OF 5 - Lego Mindstorms Intelligent Brick NXT NPI53788 $401.35
+41.2%
All regions

For Sale (Used)

 (US) Used - MindStorms NXT Intelligent Brick Controller w/recharegeable battery TESTED
$34.95
--12.6%
(US) Used - MindStorms NXT Intelligent Brick Controller 53788 with Power Supply
$34.99
--12.5%
(US) Used - MindStorms NXT Intelligent Brick Controller 53788 With Battery Pack WORKS
$35.95
--10.1%
(US) Used - MindStorms NXT Intelligent Brick Controller 53788 TESTED WORKS
$35.95
--10.1%
(US) Used - MindStorms NXT Intelligent Brick Controller 53788 With Battery Pack WORKS
$39.95
--0.1%
(US) Used - MindStorms NXT Intelligent Brick Controller With Battery pack and extras.
$50.00

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 9841 NXT Intelligent Brick.

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 $459.79
Growth  +83.9%
Annual growth 3.0%

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 $17.03
Growth  +70.5%
Annual growth 4.4%

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 $28.37
Growth  +184.0%
Annual growth 5.5%

9798 Rechargeable Battery

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9798 LEGO Mindstorms NXT Rechargeable Battery
Retail $54.99
Value $58.31
Growth  +6.0%

9833-2 Transformer

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9833-2 LEGO Mindstorms NXT Transformer
Retail $23.99
Value $26.96
Growth  +12.4%
Annual growth 1.2%

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 $29.63
Growth  +18.6%
Annual growth 2.7%

9843 Touch Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9843 LEGO Mindstorms NXT Touch Sensor
Retail $24.99
Value $30.75
Growth  +23.0%
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 $55.07
Growth  +57.4%
Annual growth 5.1%

9846 Ultrasonic Sensor

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9846 LEGO Mindstorms NXT Ultrasonic Sensor
Retail $39.99
Value $53.90
Growth  +34.8%
Annual growth 4.0%

9847 Bluetooth Dongle

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9847 LEGO Mindstorms NXT Bluetooth Dongle
Retail $32.50
Value $22.00

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 $72.16
Growth  +31.2%
Annual growth 3.5%

My Collection

NXT Intelligent Brick Reviews

39 reviews
4.4
Collectors
Investors
Brickipedia
“The NXT Intelligent Brick is fitted with seven output and input ports and one USB port, all fixed at the top and bottom of the brick. It is powered by six 1.5v AA or six rechargeable lithium batteries (which can be found in set 9798). This set features a 32-bit ARM7... More microprocessor, being controlled via four buttons on the top, under the display.”
Full review at brickipedia.fandom.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 $460.
Summary
Mindstorms NXT NXT Intelligent Brick set 9841 was released on October 24, 2007, retailing for $170, it has since been retired. New, unopened sets are valued at $284, used ones can be found for $40.
Read more
The robot's "brain!

The all-new NXT Intelligent Brick, your robot’s “brain,” features a powerful 32-bit microprocessor and Flash memory, plus support for Bluetooth™ and USB 2.0! The NXT intelligent Brick includes:

32-bit ARM7 microprocessor.
Support for Bluetooth wireless communication.
1 USB 2.0 port.
4 input ports.
3 output ports.
Powered by 6 AA (1.5v) Batteries, not included, or lithium Rechargeable Battery (#9798), sold separately.
Up to three NXT Bricks can be connected at the same time; however, you can only communicate with one NXT Brick at a time.
This is the individual component, and does not include any sensors, motors, cords, software or other accessories; for the complete LEGO® MINDSTORMS® NXT set, please see item #8527 or #8547.
Description provided by LEGO©