Rock n' Bowl with Waloo Sports Jumbo Bowling Set! The set comes complete with 10 Jumbo Bowling Pins, 2 Jumbo Bowling Balls & 1 Carrying Case. The pins are approximately 17" Tall & the balls are the perfect size for kids and even adults! Bowl in your spare time & have a blast. Great for indoor and outdoor use. Enjoy hours of fun with family and friends of all ages. Colors May Vary. Ages 5+.