LEGO Mindstorms Ev3 IR Sensor Seeker Infrared 45509 for sale online | eBay
LEGO MINDSTORMS EV3
LEGO MINDSTORMS EV3
LEGO 45509 EV3 Infrared Sensor – $34.99
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