Made from rare earth magnets, Speks magnetic balls are the most fun stress-relief desk toy around. Keep a set on your desk to be the envy of coworkers or carry ‘em in your pocket to break that pesky nail-biting habit.WARNING: Keep Away From All Children! Do not put near or in nose or mouth. Swallowed magnets can pinch and stick together across intestines causing serious injury or death. Seek immediate medical attention if magnets are swallowed or ingested.