Crazy Aaron’s Thinking Putty, the most popular compound line on the market today is now available in the world’s smallest size! Includes 8grams of color changing Hypercolors® packed in an authentic metal storage case. Collect all three – Epic Amethyst , Firestorm, and Mystifying Mermaid. Each sold separately. This awesome, high-quality putty changes color with heat and will never dry out. Stretch it like a rubber band, twist it like taffy, bounce it like a ball. A great Easter gift, party favor, stocking stuffer and more! For fans of all ages.