#surprise a simple Santa locator hidden inside a print in place Christmas tree. All you need to do is insert a blunt needle (For safety) inside the star. It works on the principle of magnetism wherein once the needle is magnetised and suspended on the water surface, its magnetic poles will align earth's magnetic poles. After initial calibration, the star will always point towards the north pole. Impress kids while teaching them the basics of magnetism using this fun and functional toy.