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These heat-sensitive colors really make their mark!

Hypercolor 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! The "cool" color will be restored.
Try painting this Thinking Putty with hot or cold.
Use your microwave with Hypercolor Thinking Putty and verify the speed of light!
Made in the USA. Each tin is and packed with 1/5lb of Thinking Putty, an oversized adult handful!

A Hypercolor Handprint!

Note: Keep clicking on the photo of your favorite color. You can watch it animate in a popup window.


Just as an evening sky melts into the dark of night, this putty's deep purple color disappears with a touch to reveal a fluorescent blue complexion. Twilight Thinking Putty TW020$9.95		Jumpstart your day with some sunshine! Vibrant orange shifts into an awakening yellow with the touch of your hands or warmth from your coffee mug. Sunburst Thinking Putty SU020$9.95


Invisible in the jungle but sure to stand out in your hands, this lush, tropical green explodes into a bright fluorescent yellow with just a touch. And, unlike the real thing, all this Chameleon needs is a daily squeezing! Chameleon Thinking Putty CH020$9.95		Try this soothing color to ease your nerves. With just a touch, the purple fades to reveal a surprising pink blush! Exciting and bright, this dynamic putty is sure to perk up your day! Amethyst Blush Thinking Putty AB020$9.95

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