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
6mm X 1.5mm N52 neodymium thin magnets round discs 1/4in x 1/16in
Apex Magnets | 12mm x 6mm Disc - Neodymium Magnet
6mm X 6mm N52 neodymium magnets round discs cylinder 1/4in x 1/4in