[header] How to play bocce ball [title] Gather your bocce ball set. [step] Standard bocce sets contain 8 colored balls-4 balls each to a color, typically green and red-and one smaller ball, called the jack or pallino. [substeps] Different skill levels are often associated with different sizes of bocce balls. 
Smaller balls tend to be used by beginners and kids, while the larger ones are used by professionals. Regulation-sized bocce balls have a standard diameter of 107 mm (4.2 inches) and a standard weight of 920 g (~ 2 lbs).