Kick into action with our Ninja Thinking Putty™. This putty will get stronger with every stretch! Train and endure to become the ultimate Ninja.

Become a Ninja! Ninja Thinking Putty™ features a unique formula that builds resistance as you play. This amazing putty actually absorbs your strength—getting tenser and tenser with each stretch—to 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.

• Color: Black
• Size: Tin with 1/5 lb. (3.2 oz) of putty
• Features: Stretch, Bounce, Pop, Tear, Sculpt
• Materials: Non-toxic silicone
• Ages: 3+
• Made in the USA from the finest materials around the world