Currently, only Sunburst and Chameleon are ready stocks.

THE HEAT SENSITIVE THINKING PUTTY

4 different types of heat sensitive colors!

Twilight: Just as an evening sky melts into the dark of night, Twilight Thinking Putty's deep purple color disappears with a touch of heat to reveal a fluorescent blue complexion.

Amethyst Blush: Amethyst Blush Thinking Putty's soothing color will ease your nerves. With just a touch of warmth, the purple fades to reveal a surprising pink blush! Exciting and bright, this dynamic Thinking Putty is sure to perk up your day!

 

Sunburst: Jumpstart your day with some sunshine! Sunburst Thinking Putty's vibrant orange shifts into an awakening yellow with the touch of your hands or the warmth from your coffee mug.

Chameleon: Invisible in the jungle but sure to stand out in your hands, Chameleon Thinking Putty's lush, tropical green explodes into a bright fluorescent yellow with just a touch of heat. And, unlike the real thing, all this Chameleon needs is a daily squeezing!

This Thinking Putty is thermochromic -- just a touch from your hands or a warm coffee mug will reveal a new "hot" color. Allow it to cool off or stick it in the fridge! Then the "cool" color will be restored.

Size : 2 inch in diameter

Made in USA

For FAQ on Thinking Putty:
http://www.1stoys.com/collections/putty-world