Amazon.com: Toysmith Metal Horseshoe Magnet : Toys & Games
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 -
Horseshoe Magnet Strong Metal Poles Science Toy Adventure Planet