1 pcs. Dog Toy Ball Liker Magnet 9cm Harmless Floaty Lightweight Training Fetch | eBay
5MM Silver MagneDotz magnetic balls - desktop fidget toy – MagneDotZ
Amazon.com: Magnetic Balls and Rods Set Educational Magnet Building Blocks 34 Pcs - Magnetic Balls for Kids Magnetic Toys for Kids Ages 3-5 - Play, Build, Learn and Create with Magnetic Building