Fantastical stories will be inspired with Mermaid Tale® Thinking Putty®! The purple and turquoise color shifting sparkles shimmer like the sun on the ocean’s surface. When it glows sea green in the dark, you’ll set sail on an exciting tale with this Glowbrights® putty. 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. Thinking 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.