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LEGO Set EV3 Color Sensor - 45506
"LEGO Mindstorms EV3: Putting On Your Color Sensor On Really Fast!" - YouTube
Amazon.com: LEGO MINDSTORMS EV3 Building Set Includes 3 Interactive Servo Motors, Remote Control, Improved And Redesigned Color Sensor, Redesigned Touch Sensor, Infrared Sensor And 550+ LEGO Technic Elements : Toys & Games