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Lee Valley Tools
Master Magnet 1 in. Dia Black Disc Magnet (6 per Pack) 96254 - The Home Depot
Sphere Magnets - Ball Magnets Magnetic Balls - SuperMagnetMan
Study calls neodymium magnets "serious health risk" for kids
200Pcs Small Magnets, 3x2 mm Mini Tiny Round Magnets, Micro Magnets for Crafts, | eBay
TRYMAG Magnets, 30Pcs Strong Rare Earth Magnets Small Round Fridge Magnets for Whiteboard, Heavy Neodymium Magnets Locker Magnets for Crafts, Whiteboard, Scientific Models - 0.47 inch D x 1/8 inch H: Amazon.com:
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