Have a ball at your party. Add the LED Flashing Blue Rubber Bounce Balls to your party supplies. These balls are fun to bring to any type of event such as a birthday celebration or holiday event. Each inexpensive piece is blue in color to match a patriotic, sports or summer time themed event. Every bounce ball measures one and a half inches in diameter. Batteries are included for quick use. Simply bounce the ball and watch it activate and come to life by blinking. Comes packaged wholesale in a pack of twelve individual pieces.