creative original inductive electric robot car line follower magic pen toy follow any line you draw xmas gifts educational toy 1020

how to play: use an ordinary dark colored crayon or marker to draw a line on a white piece of paper. turn on switch on the button of the robot. place robot on of the drawn line. the car will run on the line automatically. if the line finished, the robot will continue in the direction followed from the previous line. if the line is too thin, the robot may stray off the line, please make the line thicker ( the line should be a quarter inch thickness ) feature: if you place the inductiv