Believe it or not, Mr. Potato Head isn't just for kids anymore. It seems like the Brooklyn-born, historically spiffy tuber is getting referenced by jewelry designers all over, with a mysterious upcoming stint at Barneys and facial-feature pieces popping up in a bunch of our favorite e-commerce sites. And really, who wouldn't want to go instantly incognito with a mustache necklace or a pair of acrylic eyeglasses? Now mixing and matching our jewelry can be just as fun as kindergarten playtime—who says grown-ups don't have any fun?