Franklin Sports Light Up Bocce Franklin's Light-up Bocce revolutionizes a long time fun family game by creating a new element that's been lacking in the sport Each bocce ball comes equipped with a recessed power button which helps maximize the length of play The easy twist design is the first of its kind that allows the user to replace the batteries over time Bocce balls have 10 cm diameter and 430 gram weight Pallino has 4.9 cm diameter and 50 gram weight