Original Post first posted on Wired

Excerpt:

"MY FAMILY HAD the chance to try out three holiday colors of Crazy Aaron’s Thinking Putty this past month.

• Snow Angel: The color we took out of the container in the photo above; a beautiful silvery, glitterly, BLINGY color.
• Mistletoe: A red color that turns green as the heat from your hands reacts to it.  This is one of the company’s “hyper colors.”
• Monster Mash: It comes out of the container glittery purple. But turn out the lights and it glows in the dark…in orange!

This is a fantastic stocking stuffer idea, as well as a great budget-friendly, science-savvy gift idea for all ages, for any occasion...

Read the full article on Wired