Thinking Putty is great for children and adults. Terrific for keeping hands busy, plus offers a great option for stress relief and relaxation. Happy Earth putty contains magnetic particles that repel and attract, and includes a ceramic magnet for fun tricks. Thinking Putty can be shaped, kneaded, stretched and much more. It's non-toxic and never dries out. 3.2 oz. of Caribbean blue, color-shifting putty in a storage tin.