Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Transformer since August 2018. Medium accuracy
LEGO 9833-2 Transformer was a Mindstorms set released in 2006. It was retired in March 2012 with a lifespan of 65 months. The current value for a new, factory sealed Transformer is estimated around $26. The current used prices for Transformer can be found in the range of $12 and $14 depending on the set's condition, with an average price of $12 if it is in good overall condition.

For Sale (New/Sealed)

(US) NEW GENUINE LEGO 9833/45541 AC Transformer/Charger ++FREE SHIP!
BrickEconomy Choice
$24.97
(US) Lego 9833 MINDSTORMS 9V Transformer AC Adapter Battery Charger 4237771
$24.99
-3.5%
(US) NEW Genuine LEGO 9833 Mindstorms Transformer Power AC Adapter Battery Charger
$26.00
+0.4%
(US) *NEW* Lego 9833 MINDSTORMS 9V Transformer AC Adapter Battery Charger 4237771
$27.50
+6.2%

Sets in Mindstorms / NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 577
Availability Retired
8527 LEGO Mindstorms NXT
Retail $249.99
Value $429.17
Growth  71.7%
Annual growth 2.7%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 7
Availability Retired
8529 LEGO Connector Cables for Mindstorms NXT
Retail $9.99
Value $14.77
Growth  47.8%
Annual growth 4.2%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 3
Availability Retired
8528 LEGO Converter Cables for Mindstorms NXT
Retail $9.99
Value $52.89
Growth  429.4%
Annual growth 6.7%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9798 LEGO Mindstorms NXT Rechargeable Battery
Retail $54.99
Value $58.16
Growth  5.8%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9841 LEGO Mindstorms NXT Intelligent Brick
Retail $169.99
Value $199.19
Growth  17.2%
Annual growth 2.5%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9842 LEGO Mindstorms NXT Interactive Servo Motor
Retail $24.99
Value $34.60
Growth  38.5%
Annual growth 3.3%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9843 LEGO Mindstorms NXT Touch Sensor
Retail $24.99
Value $30.45
Growth  21.8%
Annual growth 3.5%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9844 LEGO Mindstorms NXT Light Sensor
Retail $24.99
Value $16.99
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9845 LEGO Mindstorms NXT Sound Sensor
Retail $34.99
Value $55.99
Growth  60.0%
Annual growth 7.0%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9846 LEGO Mindstorms NXT Ultrasonic Sensor
Retail $39.99
Value $53.28
Growth  33.2%
Annual growth 4.2%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
9847 LEGO Mindstorms NXT Bluetooth Dongle
Retail $32.50
Value $22.00
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 1
Availability Retired
LEGO Compass Sensor for Mindstorms NXT
Retail $54.99
Value $71.42
Growth  29.9%
Annual growth 3.4%
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This standard 9v transformer/charger plugs in to an AC outlet to recharge your #9798 Rechargeable Battery for LEGO® MINDSTORMS® NXT. 9 volts; requires AC outlet. Related charger is no longer available. If charger is also needed, please order #9693 and #8887.
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