Faxco 12 PCS Magnetic Hematite Zingers for Science and Fun?Sphere Magnet Fun and Science Toy?Magnetic Rattlesnake Eggs?Sphere Large Magnet?A Magnetic Sphere Size: 25mm? - Walmart.com
5mm Magic Puzzle Magnetic Ball 216PCS Neodymium Sphere Magnets with Box - China Neodymium Magnet, Rare Earth Magnet | Made-in-China.com