Crazy Aaron's Thinking Putty Phantoms (UV Reactive) Mystic Glacier, Foxfire & Arctic Flare with Blacklight Keychains Gift Set Bundle - 3 Pack Made in the USA You can use Thinking Putty as a toy, a stress ball, a squeeze toy, or as therapy putty Find out how to do amazing tricks and become a putty expert! Amaze your friends with what you can do