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. Awash with sparkling shimmer, Mystifying Mermaid starts out a light aquamarine color and transforms to a seafoam green with just the heat from your hands. 3.2 oz. tin.