$53.99 Amazon.ca: Rare Earth Magnets: Industrial & Scientific
MASTER MAGNETICS 1/2 in. Neodymium Rare-Earth Magnet Discs (6 per Pack)-07046HD - The Home Depot
MagnetMan 1/2-Inch by 1/16-Inch Rare Earth Disc Magnets, 24-Count + 3-FREE = 27-Magnets!! by 
