I'm always trying to find strong magnets to use in kids projects at home and also at work for my students. They fit the bill, are affordable, and work great. They come with 3M adhesive to attach them to surfaces to make them magnetic which is great too!
Pack Of 12 MIKEDE Neodymium Bar Magnets - Strong Rare Earth Metal Magnets With Double-Sided Adhesive - 60 X 10 X 3 Mm Size
41 Review
MIKEDE Strong Neodymium Disc Magnets, 16 Pack Powerful Permanent Rare Earth Magnets With Double-Sided Adhesive, Fridge, DIY, Building, Scientific, Craft, And Office Magnets, 1.26 Inch D X 1/8 Inch H
40 Review
50Pcs Neodymium Magnets With Countersunk Hole And Stainless Screws - Strong Rare Earth Magnets Disc For Locker, Tool Storage, Crafts By MIKEDE
42 Review
Powerful Neodymium Bar Magnets With Double-Sided Adhesive - Ideal For Home, Office & Scientific Uses - Pack Of 16 Magnets
40 Review