Create your own high bouncing ball- mix, mold, and play! Over 100 possible combinations. From our pals Crazy Aaron's Thinking Putty, Permaputty is a mixture of two special putty compounds that allow for permanent molding. Use the included compounds, molding trey, and your imagination to create five bouncing balls. Includes 5 activator compounds, 5 glitter compounds (including a special glow in the dark one), and tray with 5 molds. Ages 8 & up.