Ninja - Full Size 4" Thinking Putty Tin

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.