Amazon.com: The Army Painter Miniature and Model Rare Earth Magnets - Heavy Duty Magnets Neodymium, 100 Pieces, Variety Pack (20x5mm and 80x3mm), Round Magnets, N52 : Industrial & Scientific
Tiny 2mm x 1mm strong Neodymium disk magnets N52 (25-100 pcs) craft wargaming | eBay
The Army Painter - Miniature and Model Magnets – Wargames Delivered