I think even $3 is too expensive for a fidget spinner. So . . . um . . . I'm definitely not the target audience for THIS. A Russian jewelry company called Caviar just started selling the world's most expensive fidget spinner . . . for $16,700. Why's it so expensive? Because it's covered in 100 grams of solid GOLD. Now . . . we looked it up, and you can get a 100-gram bar of gold for about $4,000, so I'm not sure how that translates to a $16,700 price tag.