3mm 5mm 8mm Magnetic Balls for Fidget Toys 500 Tiny Stress Relief Spheres Neodymium Magnet Non-Toxic Safe Sensory Play for Anxiety/Focus, Round Disc Magnet Video,Demo, How It Works & Features

Strong Magnetic Balls Silver/Nickel Finish N52 Grade Neodymium Magnet High-Gauss Round Powerful Permanent NdFeB Magnet Physics/Engineering Disc Magnet

Educational Magnetic Ball Bundle Colorful 4mm 5mm 8mm Strong Rare Earth NdFeB Magnet for Geometry/Stem Learning, Child-Safe Classroom Building Toys Disc Magnet

Glow-in-The-Dark Magnetic Ball 6mm 7mm 8mm Fluorescent Neodymium/Disc Magnets for Night Decor/Kids Projects Non-Toxic Safe Design Round Strong Permanent Magnet

Puzzle Kit Rare Earth Neodymium Magnet 5mm 8mm 10mm Round Sphere Magnetic Ball for 3D Sculptures/Brain Teasers Reusable Office Desk Toy for Adults Disc Magnet