512 2.5mm magnet balls.Made from rare earth magnets, Speks magnetic balls are the most fun stress-relief desk toy around.
Safety Information
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.
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.