Twilight Heat Sensitive Thinking Putty by Crazy Aaron
Thinking Putty is great for children and adults. Terrific for keeping hands busy, plus offers a great option for stress relief and relaxation. Thinking Putty can be shaped, kneaded, stretched, bounced and much more. Extra soft and pliable. Temporarily changes color from deep purple to fluorescent blue when heat activated. 3.2 oz. tin.