Industrial Magnetic Ball Kit 5mm 8mm 10mm Heavy-Duty NdFeB Magnet for Robotics/Engineering Heat/Corrosion-Resistant Spheres Powerful Strong Rare 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

High-Power Magnetic Ball Set - 5mm 8mm 10mm Spheres/Round/Arc/Neodymium Magnet for DIY/Building/Stem Projects, Strong Rare Earth Magnets for Adults Disc Magnet

Ultra-Lightweight N38 Disc Magnet for Uav Propulsion Featuring Anodized Aluminum Shell & Customizable Flux Path Ferrite Magnet Cube/Ring/Round Rare Earth Magnet