Amazon.com: 20 Pieces D12mm x H3mm,4mm Hole, countersunk disc Small Multi-Function Refrigerator Magnet Refrigerator, Science, Crafts, Engineering Science, Educational Magnetic kit (12x3x4mm) : Home & Kitchen
Magnets for Crafts - 100 High Quality 1 inch Round Strong Magnets – 25mm x 4mm - Great for Creating Fridge Magnets and Other Magnetic Craft Projects: Amazon.com: Industrial & Scientific
PERFECT MAGNETS Ferrite Magnets Strong 18 Mm X 4 Mm - 25Pcs : Amazon.in: Office Products
Amazon.com: MEALOS Magnets - 150 Tiny Magnets Mini Magnets Small Round Magnets for Crafts - 5mmx2mm Magnets for Miniatures Small Models - Come with a Storage Case : Home & Kitchen