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Power Functions Series For Mindstorms 45544 45500 EV3 Color Sensor Touch Ultrasound Sensor Education Building Blocks Toys Parts - AliExpress
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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
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