DIYMAG Adhesive Magnetic Block, Flexible Adhesive Tape (20x20x2mm Each), One Side with Magnetism and The Other Side with Adhesive, Flexible Magnetic Sheet with Adhesive,

CMS Magnetics 1/2x3 inch (12.7mm x 76.2mm) Neodymium Cylinder Magnet, Diametrically Magnetized with Magnetic Poles on the Sides

CMS Magnetics 1.26" Sphere Neodymium Magnet One Piece Ball Magnet - Novelty Toy for Fun - Storage Box Included for Added Safety

40x20mm Super Strong Neodymium Disc Magnet, N52 Permanent Magnet Disc, The World's Strongest & Most Powerful Rare Earth Magnets - Two Piece

CMS Magnetics Super Strong Neodymium Magnets Ring N45 1-1/2"OD x 1.065"ID x 3/8" - Rare Earth Ring Magnet - Science Projects School and Magnetism Education

Super Strong Neodymium Magnet 1/2" x 3" NdFeB Magnet Cylinder, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets

40x40x20mm Super Strong Neodymium Block Magnet, N52 Permanent Magnet Disc, The World's Strongest and Most Powerful Rare Earth Magnets - One Piece

Black Iron Oxide - Fe3O4 - Synthetic - 1 Pound

Super Strong Neodymium Magnet N52 1" Cube Permanent Magnet, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets 2Pc

Delta Education 2" Ceramic Ferrite Bar Magnet (Pack of 2)

N52 Neodymium Bar Magnet 3x1/2x1/2" Powerful Rare Earth Rectangle Magnet - For School and Science Projects, Cabinet, Crafting and Treasure Hunting Magnets