Maybe as "toy sets" of magnets; it seems there's a ton of back and forth. That said, you can get spherical rare-earth magnets here: https://www.kjmagnetics.co

Maybe as "toy sets" of magnets; it seems there's a ton of back and forth. That said, you can get spherical rare-earth magnets here: https://www.kjmagnetics.com/products.asp?cat=12 https://www.kjmagnetics.com/products.asp?cat=12 ...though a set of such won't be cheap, depending on the size of the magnets wanted.