Uncover the mystery of Rainbow Reveal Thinking Putty®! This special putty features three incredible color-shifting effects that reveal a rainbow of hues. Watch it transform before your eyes with the warmth of your hands and then morph again in the sunlight. But that’s not all- turn off the lights and see it glow with a radiant surprise. How many colors can you find?

 - Full Size 4" Thinking Putty Tin