From the Land of Superman comes Krypton 2 Inch Putty that Glows in the dark
"Choose your favorite color. You can use Thinking Putty as a toy, a stress ball, a squeeze toy, or as therapy putty. As an office toy, Thinking Putty will draw the jealousy of your co-workers. As a toy, you will never be able to put it down. I promise!" - Crazy Aaron
Krypton Glow in the Dark Thinking Putty is hypnotic and irresistible! Milky Glow in the Dark Thinking Putty is hypnotic and irresistible! Milky white in daylight, their glow magically appears when the lights dim. You can use our Blacklight Keychain to write messages on the putty and draw special designs. You can even do cool tricks with low in the Dark Thinking Putty. After exposure to light (the brighter, the better), these colors will glow for hours.in daylight, their glow magically appears when the lights dim. You can use our Blacklight Keychain to write messages on the putty and draw special designs. You can even do cool tricks with Crazy Aaron's Krypton Glow in the Dark Thinking Putty. After exposure to light (the brighter, the better), these colors will glow for hours.