![Amazon.com: Master Magnetics COW-RUM5CX12 Cow Magnet, Ultimate Heavy Duty Ru-Master 5, Steel Ring and Ferrite, 0.75" Diameter, 3.375" Length, Black and Silver (Pack of 12) : Industrial & Scientific Amazon.com: Master Magnetics COW-RUM5CX12 Cow Magnet, Ultimate Heavy Duty Ru-Master 5, Steel Ring and Ferrite, 0.75" Diameter, 3.375" Length, Black and Silver (Pack of 12) : Industrial & Scientific](https://m.media-amazon.com/images/I/71ExJKSCbJL.jpg)
Amazon.com: Master Magnetics COW-RUM5CX12 Cow Magnet, Ultimate Heavy Duty Ru-Master 5, Steel Ring and Ferrite, 0.75" Diameter, 3.375" Length, Black and Silver (Pack of 12) : Industrial & Scientific
![Porfeet 2Pcs 36/70/110/180mm Bar Magnet NS Red Blue Magnetic Field Physical Experiment(36mm) - Walmart.com Porfeet 2Pcs 36/70/110/180mm Bar Magnet NS Red Blue Magnetic Field Physical Experiment(36mm) - Walmart.com](https://i5.walmartimages.com/asr/0c48cbdd-ed6c-4cf8-a9b7-1fbc59f61b20.cd61528e4a6c86ba399d50fc9716012f.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Porfeet 2Pcs 36/70/110/180mm Bar Magnet NS Red Blue Magnetic Field Physical Experiment(36mm) - Walmart.com
![3 Inch Educational Alnico Bar Magnet with North South Identified for Student Teachers Science Education, 2 Pack - Walmart.com 3 Inch Educational Alnico Bar Magnet with North South Identified for Student Teachers Science Education, 2 Pack - Walmart.com](https://i5.walmartimages.com/asr/e87b390e-5abe-40bb-8331-0d27b9d27793.335033c96433f62e822b737184ac72b6.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
3 Inch Educational Alnico Bar Magnet with North South Identified for Student Teachers Science Education, 2 Pack - Walmart.com
![Super Strong Neodymium Magnet N42 1" Cube Permanent Magnet Cube, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific Super Strong Neodymium Magnet N42 1" Cube Permanent Magnet Cube, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/I/41-wPjtwX9L._AC_UL210_SR210,210_.jpg)
Super Strong Neodymium Magnet N42 1" Cube Permanent Magnet Cube, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
![Buy Wholesale China High Standard 35uh Neodymium Starter Motor Magnet & Neodymium Magnet,sintered Permanent, Ndfeb Magnet at USD 0.1 | Global Sources Buy Wholesale China High Standard 35uh Neodymium Starter Motor Magnet & Neodymium Magnet,sintered Permanent, Ndfeb Magnet at USD 0.1 | Global Sources](https://p.globalsources.com/IMAGES/PDT/B1181002100/Neodymium-magnet-Sintered-Permanent-NdFeB-magnet.jpg)
Buy Wholesale China High Standard 35uh Neodymium Starter Motor Magnet & Neodymium Magnet,sintered Permanent, Ndfeb Magnet at USD 0.1 | Global Sources
![Amazon.com: 2 Pieces of Neodymium Magnet Fishing Magnets, Super Strong Magnet for Magnetic Fishing, Strong Fishing Magnets, Magnet Fishing, 180 LB : Industrial & Scientific Amazon.com: 2 Pieces of Neodymium Magnet Fishing Magnets, Super Strong Magnet for Magnetic Fishing, Strong Fishing Magnets, Magnet Fishing, 180 LB : Industrial & Scientific](https://m.media-amazon.com/images/I/61CXdZOk94L._AC_UF350,350_QL80_.jpg)
Amazon.com: 2 Pieces of Neodymium Magnet Fishing Magnets, Super Strong Magnet for Magnetic Fishing, Strong Fishing Magnets, Magnet Fishing, 180 LB : Industrial & Scientific
![Amazon.com: Educational Long Alnico Bar Magnet Small with North South Identified for Students Teachers Science Education 2Pcs : Toys & Games Amazon.com: Educational Long Alnico Bar Magnet Small with North South Identified for Students Teachers Science Education 2Pcs : Toys & Games](https://m.media-amazon.com/images/I/51pFbZFsglL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Educational Long Alnico Bar Magnet Small with North South Identified for Students Teachers Science Education 2Pcs : Toys & Games
![3 Inch Educational Alnico Bar Magnet with North South Identified for Student Teachers Science Education, 2 Pack - Walmart.com 3 Inch Educational Alnico Bar Magnet with North South Identified for Student Teachers Science Education, 2 Pack - Walmart.com](https://i5.walmartimages.com/asr/ab2bd3fe-f018-4500-ba4f-4bff28e4afc7.3a773c5f831881939a5908c12800cb63.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
3 Inch Educational Alnico Bar Magnet with North South Identified for Student Teachers Science Education, 2 Pack - Walmart.com
![DIYMAG Powerful Neodymium Bar Magnets, Heavy Duty Magnets with Double-Sided Adhesive, Rare Earth Magnet Perfect for Fridge, DIY, Garage, Kitchen, Science, Craft, Office-60x10x3mm, 12 Pack: Amazon.com: Industrial & Scientific DIYMAG Powerful Neodymium Bar Magnets, Heavy Duty Magnets with Double-Sided Adhesive, Rare Earth Magnet Perfect for Fridge, DIY, Garage, Kitchen, Science, Craft, Office-60x10x3mm, 12 Pack: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71kDPAlzbDL.jpg)
DIYMAG Powerful Neodymium Bar Magnets, Heavy Duty Magnets with Double-Sided Adhesive, Rare Earth Magnet Perfect for Fridge, DIY, Garage, Kitchen, Science, Craft, Office-60x10x3mm, 12 Pack: Amazon.com: Industrial & Scientific
![Porfeet 2Pcs 36/70/110/180mm Bar Magnet NS Red Blue Magnetic Field Physical Experiment(110mm) - Walmart.com Porfeet 2Pcs 36/70/110/180mm Bar Magnet NS Red Blue Magnetic Field Physical Experiment(110mm) - Walmart.com](https://i5.walmartimages.com/asr/6f37a40c-5245-46a0-85a7-6b092324ee14.b65cf1bbe03b2201b299fd6c301adf11.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Porfeet 2Pcs 36/70/110/180mm Bar Magnet NS Red Blue Magnetic Field Physical Experiment(110mm) - Walmart.com
![N52 Neodymium Magnet 1pc 50x30MM Super Strong Powerful Round Magnets Circular Rare Earth Magnets 40x20MM Magnetic Imanes 2022 N52 Neodymium Magnet 1pc 50x30MM Super Strong Powerful Round Magnets Circular Rare Earth Magnets 40x20MM Magnetic Imanes 2022](https://ae01.alicdn.com/kf/See19c7707a4f49e4bae7e6941ec9114e9/N52-Neodymium-Magnet-1pc-50x30MM-Super-Strong-Powerful-Round-Magnets-Circular-Rare-Earth-Magnets-40x20MM-Magnetic.jpg)