Magic Inductive Car Mini Inductive Truck Follow Black Line with Screwdriver (Red Fire Truck)
<br>1. Use an ordinary dark colored crayon or marker to draw a line on a white paper. <br> <br>2. Turn on switch on the car. <br> <br>3. Place car on top of the drawn line and it will run on the line automatically.<br> <br>4. If the line finishes, the vehicle will continue in the direction followed from the previous line. It can turn automatically when encountering obstacle.<br> <br><b>Feature: </b> <br>Size: 8 x 3 x 5cm/ 3.15 x 1.2 x 2 inch <br>This is a novelty inductive car, which follows the marker line like magic. <br>If you place the magic inductive fire truck somewhere else, it would run in circles until it finds the line. <br>Inductive Fire Truck/ Car has an optical sensor that reads the black line drawn on a white piece of paper.  <br> <br><b>Note: </b> <br> If the line is too thin, the vehicle may stray off the line, please make the line thicker. The line thickness should not under 4mm and not overrun 10mm, Non sharp-angled line.<br>