It is absolutely for amusing fun. "I bet I can lift that paperclip 6 inches off the table with one finger" Mine is not strong enough to lift much more than a

It is absolutely for amusing fun. "I bet I can lift that paperclip 6 inches off the table with one finger" Mine is not strong enough to lift much more than a paperclip. However, I have many magnetic fidget toys and when one of those attracts to the finger magnet it does strongly which impedes blood flow to the skin in the middle. It's the same as a kid swallowing one bucky ball - probably does nothing - but if they swallow another, and they attract through tissue, problems.