OK first off I've already tested this and it has worked all the time
1.) Go to the edge of the bowling court. (any side is fine)
2.) do a hard swing at the edge (and I don't mean break the TV)
3.)(this never works every time but, it does some times) you should hear a click.
4.) you should then her an explosion then all the pins should fall down.
Hope I helped some gamers out there