High Quality Content by WIKIPEDIA articles! Silly Putty (also marketed by other companies as Thinking Putty, Bouncing Putty, Tricky Putty and Potty Putty), is the Crayola-owned trademark name for a class of silicone polymers. It is marketed today as a toy for children, but was originally created by accident during research into potential rubber substitutes for use by the United States in World War II. The company`s manufacturer is based in Easton, Pennsylvania.