For cows, a magnet one day can keep the surgeon away – A new I don't know thing for curious kids – 2 New Things
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Cow Magnets Archives - Magnets By HSMAG
Amazon.com: Cow Magnet : Toys & Games
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