Crazy Aaron's Thinking Putty - Goodnight Cactus - Hypercolor

Mimicking a magnificent desert sunset, Goodnight Cactus Thinking Putty® changes color with the heat of your hands. This triple change Hypercolor® captures the peaceful purple, luminous orange, and radiant yellow sundown of the night sky.

Thinking Putty® is non-toxic, won't dry out, and won't leave a sticky or slippery residue on your fingers, so it's great for stretching, molding, bouncing, tearing, popping and playing by kids and adults alike.