12Pc Super Strong Neodymium Magnet 1.26" x 1/8" NdFeB Discs, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
CMS MAGNETICS - Rectangle Neodymium Magnet Bar (1 ct, 3” x1/2" x1/4”) - Rare Earth Rectangle Magnet for Crafts, School Projects & Magnetic Therapy, Pack of One Rectangular Neodymium Bar Magnet: Amazon.com: