MiOYOOW 2 Pack Line Following Robot Car Kit, Beginners Smart Car Soldering

MiOYOOW 2 Pack Line Following Robot Car Kit, Beginners Smart Car Soldering✔【School Science Project】: Smart DIY robot car is the most widely used in school for helping students to learn about the soldering project knowledge of mechanical structure, electronic basis skills, the principle of sensor, automatic control, soldering skill and so on.,✔【Its Principle】: As the light reflectivity is difererent when the light is emitting on the white and black items. It uses the photoresistance resistance to tell the smart car is on the right way or not. Smart tracking car can discriminate the direction automatically that it can run freely along the black tracking poundsProductdimensions3.3 x 5.2 x 1.9 inchesVisit our store for more great deals!Thank you!