Crazy Aaron's Thinking Putty Heat Sensitive Hypercolor - Twilight
Have hours of fun with Crazy Aaron's Thinking Putty! With this Twilight Heat Sensitive Hypercolor Thinking Putty the deep purple color disappears with a touch of heat to reveal a fluorescent blue complexion. You can bounce it, stretch it, knead it, snap it, pop it and hot & cold changes its color.
This product is made in the U.S.A. and each tin includes 1/5lb of Thinking Putty.