This little robot is guided by antenna-like sensors that detect light intensity differences. This Chokomacar will trace along lines that you can put down for it. Learn about electrical circuits and have fun decorating your own chokomacar line tracing robot! Make your own course and watch your Chokomacar race around it! Artec's line of science educational supplies for classrooms are a great source for STEM (Science, Technology, Engineering, and Mathematics) education and curriculum development for elementary, middle, and high schools. Artec is dedicated to developing a hands-on educational experience through their fun and innovative line of products.