Crazy Aaron's Thinking Putty - Ninja

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

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.