Color: Super Illusions Super Scarab. Thinking Putty comes in 30 colors, including glow-in-the-dark, heat-sensitive, and electric-colored putty. It can stretch like rubber and bounce like a ball, and because it's silicone-based, it won't dry out or crumble over time. It's part toy, part stress reliever, part physical therapy and entirely addictive. Super Scarab offers incredible color shift from blue into purple right through to red and copper. Its smooth aqua tones dance in the light and hypnotize the eye. Soothe your senses with this tranquil putty.