The Champion Sports Bowling Pin Set is fun for everyone to bowl safely indoors or outdoors. Don’t worry about the wind or slightly uneven surfaces ruining your game ideas, each pin has a 0.5” capped hole to add sand for additional weight and stability so pins stay in place, and you can bowl over and over. This set includes ten plastic bowling pins, a setup sheet, and a score pad. Material(s): Plastic; Playground/Gymnasium Sets Type: Bowling Pin Set.