Thinking Putty makes a great stress ball. It is also excellent as a therapy putty for stiffness or as an exercise putty for hand strengthening. As a desk toy you'll find you aren't able to put it down. Each tin includes 1/5 lb. of Thinking Putty. Thinking putty is made in the USA.

With the Oil Slick Thinking Putty colors shift and change right under your eyes. Try and catch them if you can! Oil Slick changes colors from Purple through Pink, Gold, and Yellow, to Emerald Green.