Aueabc Smart Line Follower Robot Car DIY Soldering Kit, LM393 Based Auto Tracking Car with Photosensitive Sensors, DC3V Powered STEM Electronic Assembly Set, Unassembled, NO AA Batteries Included
$7.70
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Aueabc Smart Line Follower Robot Car DIY Soldering Kit, LM393 Based Auto Tracking Car with Photosensitive Sensors, DC3V Powered STEM Electronic Assembly Set, Unassembled, NO AA Batteries Included
$7.70