Crazy Aarons Thinking Putty 10cm Large Tin UV Reactive Phantom Mystic Glacier by crazy aaron's thinking putty An icy blue swirled with glitter, this 3.2 ounces of Thinking Putty glows green in the dark and turns a deep purple with the included Glow Charger Using the included blacklight keychain, you can actually draw and decorate the putty! Non-toxic silicone, never dries out & is easily removed from solid surfaces Each metal tin is hand packed with 1/5 lb of Thinking Putty, much more than you would get in a plastic egg! Recommended age for Mystic Glacier is 8 years and older. Made in the U.S.A.