Nexlevl Super Small Refrigerator Magnets 6x2mm, Perfect for Mini Fridge Magnets, 25 Very Tiny Round Craft Magnets, Crafts, DIY Projects, Magnetic Whiteboards, Extremely Reliable 1/4 Inch Magnets
Magnets Neodymium Small 10 2 | Small 2x1 Neodymium Magnets | Small Strong Magnets - 20 - Aliexpress
6mm X 2mm N52 neodymium magnets round discs 1/4in x 5/64in