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 and stretched. Features a soft, pliable texture. Inspired by a desert sunset, Goodnight Cactus changes from purple to orange to yellow with the heat of your hands. 3.2 oz. of putty in a storage tin.