WORLD’S SIMPLEST HOMOPOLAR MOTOR Simple magnet car

This is a new version of homopolar motor. Is necessary that the battery with the magnets is supported on a material that conducts electricity as the tinfoil. the polarity of the magnets is very important. I try to outline the position. S-N battery N-S (With this configuration wheel on one side) N-S battery S-N (With this configuration wheel on the other side) S-N battery S-N (Do Not work) N-S battery N-S (Do Not work)