1/2 Inch Neodymium Rare Earth Sphere Magnets N52 (4 Pack)
These 1/2 inch sphere/ball magnets are intended for educational, research, professional, commercial, or industrial purposes only.
Neodymium magnets are NOT toys. Do not allow children to handle or play with them. Small magnets can pose a serious choking hazard. If multiple magnets are swallowed, they can attach to each other through intestinal walls causing serious injuries and even death.