Fine stuff inside stress ball -- harmful? Today a stress ball burst in the office (yes, people can get highly stressed around here). The "soft" material inside looked like finely ground (granular) synthetic "sand" with a faint blueish color. It can be silicon but I am not sure. Has anyone seen anything like it before? Can it be harmful/fatal (e.g. when breathed, or for the eyes)? I think someone cut their finger trying to get the granules out the keyboard "trims" (narrow grooves on the keyboard).