Intelligent Tracking Car Kit Black and White Line Identification Line Patrol Car/Fun DIY Electronic Assembly/Welding Training -63914

1Pcs D2-5 Intelligent Tracking Line Car DIY Kit TT Motor Electronic Assembly Smart Automobile Part Car Electronic Diy Kit 

Please Note:

The battery is not including the package becuae according to the rule of the shipping company, the battery could not be shipped by air, please kindly understand.

https://www.aliexpress.com/store/product/MAX4466-Sensor-Module-GY-MAX4466-Electret-Microphone-Amplifier-Sensor-With-Adjustable-Gain-For-Arduino/1762106_32843099206.html