But as long as they don't need to be washed, they make nice jewellery or key holders, or a fancy ash tray if this was the 1950's and people still smoked inside.
In any case, this is a great craft to do in a non-ventilated room while watching the Katy Perry documentary. Such a great film. What a nice girl. What a smokin' hot ex-husband. (Real talk: I think he's unbearably attractive. And that's not just the sharpie talking.)