U-shaped Horseshoe Magnet Multiple specifications Gift Educational Toys | Being Patient
Amazon.com: ArtCreativity Horseshoe Magnet for Kids - 8 Inch Horse Shoe U-Shaped Magnet with Carry Handle - Fun Science Activity Toy, Great Gift Idea for Boys and Girls, Novelty Item for Adults -
30-80mm Traditional U Shaped Magnet Horseshoe Magnet Physics Experiment Tool | eBay
Why are Magnets Shaped like Horseshoes?
Horseshoe magnet - Wikipedia
File:Horseshoe magnet by Zureks.jpg - Wikimedia Commons