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4WD Robot Car Kit for Arduino UNO R3 Smart Project STEM Toys for Kids DIY Ultrasonic obstacle avoidance Track remote control SNAR38 – MakerBuying– a band serving DIY enthusiasts
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Amazon.com: ELEGOO UNO R3 Project Smart Robot Car Kit V4 with UNO R3, Line Tracking Module, Ultrasonic Sensor, IR Remote Control etc. Intelligent and Educational Toy Robotic Kit for Arduino Learner :
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