Amazon.com: X-Bet Magnet 100 pcs Ceramic Magnets - Tiny 18 mm (.709 inch) Round Disc - Flat Circle Magnets Bulk for Crafts, Science & Hobbies - Perfect for Refrigerator, Whiteboard, Fridge : Industrial & Scientific
Tiny Craft Hobby Neodymium Rare Earth Super Magnets 1/8 x 1/16 in. (3x1.5mm) x50 - Walmart.com
Deago 30 Pcs Neodymium Rare Earth Super Magnets Small Rectangle Office Refrigerator Magnets For Hobby Crafts Home Model Fridge Whiteboard Map Part 20 x 10 x 2MM(7.9"L*3.9"W*0.8"H) - Walmart.com
Neodymium Magnets 3x1mm - 50 Units (N52) (Material) - HobbySearch Hobby Tool Store
Amazon.com: Anpro 120 Pcs Strong Ceramic Industrial Magnets Hobby Craft Magnets-11/16 Inch (18mm) Round Magnet Disc for Refrigerator Button DIY Cup Tiny Magnet Craft Hobbies, Science Projects & School Crafts : Industrial