set database: LEGO 9694 color sensor

set database: LEGO 9694 color sensor

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image courtesy of nxt-roboter.de

set number: 9694
set name: color sensor
theme: technic, mindstorms
year: 2010
piece: 1
price: us$35
minifig: none
come with a color sensor.
the sensor can recognize 6 colors, black and white.
the sensor can emit 3 colors: red, green, blue.
overall design is good.
must have for technic fans.

set database: LEGO 9833 transformer 9V

set database: LEGO 9833 rechargeable battery

image courtesy of aard.ru

image courtesy of speurders.nl

set number: 9833
set name: transformer 9 V
theme: technic, mindstorms
year: 1996
piece: 1
price: us$24
minifig: none

come with a transformer 9V.
designed for charging 9798 rechargeable battery. 

overall design is good.

set database: LEGO 9798 rechargeable battery

set database: LEGO 9798 rechargeable battery

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image courtesy of bricker

image courtesy of lego.com

set number: 9798
set name: rechargeable battery
theme: technic, mindstorms
year: 2006
piece: 1
price: us$50
minifig: none

come with a rechargeable battery box.
designed for use with 9841 NXT intelligent brick.

inside has a built-in lithium batteries.
it has capacity of 1400 mAh.

rechargeabled with 9833 transformer 9V.

overall design is good.

set database: LEGO 9841 NXT intelligent brick

set database: LEGO 9841 NXT intelligent brick

image courtesy of brickbrowse

image courtesy of brickipedia

image courtesy of brickin-it

set number: 9841
set name: NXT intelligent brick
theme: technic, mindstorms, mindstorms NXT
year: 2006
piece: 1
price: us$150
minifig: none

come with an NXT intelligent brick.
the intelligent brick has 32-bit microprocessor, 4 input port, 3 output port and a bluetooth and usb communication link.
can be powered by 6 AA (1.5v) batteries or 9693 NXT DC rechargeable battery or 9798 rechargeable battery.

overall design is great.