We made ours space themed and turned table tennis balls into planets. (science-sparks.com)
The main findings of the autopsy were: an extreme amount of muscle mass, with almost no subcutaneous fat underneath the skin, numerous tumors the size of table tennis balls inside the liver, in fact half of the liver was simply a crumbly mass, akin to polystyrene (Styrofoam), small testes, cardiac hypertrophy, which means his heart weighed around 640 grams, whilst an average man's heart is around 300 - 350 grams. (fitnessandpower.com)
The goalkeeper spoke in an interview, about how his old coach was training him by throwing table tennis balls and Cech said that after catching small balls. (justarsenal.com)