2 Educational Alnico Bar Magnets - North & South Identified - 11mm x 6mm x 75mm
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: