This charming creature can be your enchanted best friend. Magic Dragon Thinking Putty® includes the marvelous Hypercolor® effect and changes from forest green to golden yellow using the heat of your hands. The magical bronze sparkles will captivate your gaze! As part of the Hypercolor® Collection this color changing Thinking Putty® is heat sensitive, meaning it starts one color and changes to another through heat transfer. The more you play the more the color will change! Thinking Putty® helps build hand and finger strength through a fabulous tactile play experience with unique, unexpected properties and provides relaxing, yet stimulating interaction for anyone with sensory integration issues. Crazy Aaron's putty is non-toxic, won't dry out, and won't leave a sticky or slippery residue on your fingers, so it's great for stretching, molding, bouncing, tearing, popping and playing by kids and adults alike. Collection: Hypercolor® 1/5 lb. (3.2 oz) of putty Cool Color: Dragon green with bronze sparkles | Warm Color: Golden yellow with bronze sparkles Features: Color Changing, Stretchable, Sculptable, Soft Texture Materials: Non-toxic silicone Ages: 3+ Warning: Choking Hazard. Contains Small Parts Never dries out Proudly made in the USA Manufactured with the help of exceptional individuals with disabilities