Dowling Ceramic Magnets Classroom Pack - Ring - Size 1-1/8 in. (28 mm) Diameter | Magnetism | Physical Science | Science | Education Supplies | Nasco
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Amazon.com: X-Bet Magnet Ceramic Magnets - Round Disc - Flat Circle Magnets Bulk for Crafts, Science & Hobbies - Perfect for Refrigerator, Whiteboard, Fridge : Industrial & Scientific
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