Become a Ninja! Ninja Thinking Putty features a unique formula that builds resistance as you play. This amazing putty actually absorbs your strengthgetting tenser and tenser with each stretchto leave you feeling like a true Ninja.
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.
