• STARMATRIX 2 In 1 Basketball And Volleyball Combo(comes with Top Basketball, Basketball Rim, Net for Basketball, Toy Volleyball and Net for Volleyball) is the perfect addition to any pool, it can be assembled for pool basketball or pool volleyball. Your family and friends can choose between an awesome game of water volleyball or basketball. No tools are required for assembly so set up is a easy. The water filled plastic bases provides strong stability during play for either game.