Amazon.com: 40pcs 6*3mm Small Magnets for Crafts - MEALOS Mini Magnets Tiny Magnets - Little Button Magnets Micro Magnets - Round Fridge Magnets Also for Miniatures, Model Making, Crafts and 3D Printed
$0.95 - Hobby Neodymium Rare Earth Super Magnet 8 x 3mm (1/3 x 1/8 in.) - Tinkersphere
10mm x 3mm N52 neodymium magnets round discs 3/8in x 1/8in
FHSVUD 80Pcs Super Strong Rare Earth Magnets, 9mm x 3mm Neodymium Disc Magnets, for Refrigerator DIY Erase Board Whiteboard Office, Mini Round Magnets for Crafts Building Scientific Models: Amazon.com: Industrial & Scientific
5mm dia x 3mm thick N45 Neodymium Magnet with 0.75mm radius edges
30Pcs Super Strong Rare Earth Magnets Disc, 20 x 3mm Decorative Round Fridge Neodymium Magnets, Fun Small Refrigerator Magnet for Whiteboard, Cute Locker Magnets, for Crafts Dry Erase Board - Walmart.com
Apex Magnets | 3mm x 3mm Cylinders - Neodymium Magnet
Neodýmový magnet gulička 3 mm - SilneMagnety.sk
Disc magnet 4 x 3 mm, Nickel-plated - supermagnete.de