100 Pack Strong Neodymium Bar Magnets，Powerful Rare Earth Neodymium Magnets with Double-Sided Adhesive Perfect for Fridge, Garage, Kitchen, Craft, Office etc 20 x 5 x 2 mm

Super Strong Neodymium Disc Magnets with Double-Sided Adhesive, Powerful Permanent Rare Earth Magnets. Fridge, DIY, Building, Scientific, Craft, and Office Magnets, 1.26 inch D x 1/8 inch H - 6 Packs

DAILYLIFE Magnetic Sand Iron Filings for Science, 12 Ounces of Iron Powder in Glass Bottles with Shaker Holes and Lid, 1 Pack Iron Oxide Powder for Education and School Projects, Metal Powder

Science Magnets 400pcs Diametrically Magnet Rod for 3D Printed Settlers Diameter DIY Center-Less Grinding Bracelet Silver Metal Industrial

MIKEDE Neodymium Magnets, 30 PCS Strong Fridge Magnets Heavy Duty for Carft, Epoxy Coating Rare Earth Small Magnets with Double-Sided Adhesive Backing for Craft, Whiteboard, DIY, Science - 0.78x0.18in

Ninesung Magnetic Sand, 2 Pound Iron Filings, Iron Powder Filings Magnetic Power for Magnet Education and School Experiments Learning, Iron Oxide Powder Shavings for Science

DHAEY Science Magnets Diametrically Magnet Rod N42H DIY Bracelet Experiment Center-Less Grinding for 3D Printed Settlers Board Game 3x6 mm Industrial(100pcs)

Scientific Circuit Experiment Box Industrial Science Teaching Supplies Simple Physics Experiment Equipment Scientific Circuit Closure Experiment Set

Whitecap 6037C 316 S.S. Magnets Set Chrome

Grtard 35 Pack Ceramic Magnets, Magnets for Crafts, Round Disc Magnets, Perfect for Refrigerator Button DIY Cup Tiny Magnet Craft Hobbies, Science Projects-0.99”x 0.16”