Newest Lego Mindstorms: EV3 Robot Building Set with Remote Control for Kids, Educational Invention Kit with Motors and Sensors for Programming and Learning How to Code (601 Pieces) : Electronics
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Beacon tracking with LEGO Mindstorms EV3 IR Sensor - LEGO Reviews & Videos
Moving, Turning, Move Until, Loops and Switches, Using Sensors
Amazon.com: Lego Mindstorm Ev3 Infrared Beacon : Toys & Games