Follow the bouncing balls

Among the presents the Dudes received from Grandpa and G.C. was a huge package of plastic balls, like the ones you see in the ball pit at Ikea or someplace like that.  On a personal note, we're especially grateful that G.C. volunteered to keep them (fyi, the full package contains 175 balls) at her house.  The important thing, though, is that the Dudes just love them.  Take a look...