Bowling pins are found in the sport bowling and duck pin (the pin is a smaller size). You throw a bowling ball at them in order to knock them down. Bowling pins are made of wood, but they have a plastic coating over them to protect them from the ball.
There are three different types of bowling pins. There is duckpin and candlepins. Those are also two different types of bowling. Duckpins are shorts and fat and are about 5 inches wide.. Candlepins are long and skinny.