Uncover the mystery with Crazy Aaron’s® Treasure Reveal Thinking Putty® ! Peel away the label to reveal one of 10 unique putties, each packed with a hidden effect waiting to be discovered. Will yours glow in the dark, change color in the sun, shift hues with heat, or carry a delightful scent? Some rare finds even have three magical effects in one!The thrill is in the reveal—collect them all and uncover the ultimate treasure trove of Thinking Putty® surprises! How many can you find? 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.