Doodle Track Car - draw and chase

Everyone loves to play cars. And so arrange a race - even more so. My brother and I painted trails in childhood with permanent markers on linoleum. Before the arrival of the parents, chasing was very cool.

Now, when the parent itself, I can only rejoice at the emergence of toys like Doodle Track Car . These cars are chasing themselves on the lines drawn on paper. It is enough to buy a suitable sheet of drawing paper and draw a line on it - the floor will be guaranteed to be clean. An optical sensor is built into the machine, so it will not fold from the drawn line.

Well, especially for those who are too lazy to draw the track on their own, there is a site on which the track can be “folded” from blanks and then printed.
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Complete with a marker, batteries and a demo track, the machine costs $ 15. Delivery, however, only to the USA and Canada, but this question is solved.