Playaboule Patented V4 Lighted Bocce Ball Set 2 Color 107mm Patented new product released June 2016. Patented traditional colors of red and green and white target ball. Only Playaboule makes regulation size 107mm )( 4.2inch) dia lighted bocce balls. Water, sand and grit resistant plugs. Built in static on and flash function. Button cell replaceable batteries. Battery life is typically 10 -15 hours with name brand, fresh batteries. Free included starter set of batteries will have a shorter life. Complete range of spare/replacement parts are available.