Ceramic Rectangular Magnet Blocks, 12 Pack, Grey$$Tools & Hardware Other

Block magnets are made of Grade 8 hard ferrite Great for science projects 1You may also like N52-3/8" D x 3/16" H - 40 Pack, Powerful Small Rare Earth Magnets, Super Strong Mini Neodymium Disc Magnets for Fridge, DIY, Building, Scientific, Craft, and Office Magnet.