Heat Sensitive Thinking Putty
Make your mark with this magical putty that changes color when heat is applied or removed. Feeling stressed? Trying to come up with new ideas? Whatever situation you’re in, give the Thinking Putty a squeeze, bounce it, snap it or stretch it, and watch it change color as you do. Best part is: it is odorless, it doesn’t dry out and it will not grease your hands. Buy Now