This is a serious breach of bowling lane etiquette and something that just shouldn't be done. Keep the game clean and fun and let the pins and the score fall where they may. While it is nearly impossible to cheat with computerized scoring, some manual set ups still exist. Talk too loud or yell. Rowdy groups on the lanes can cause problems for everyone in the vicinity. Children will likely need some good instruction and they might not be all that great starting out. Remember, you are all there to have fun, not bowl a perfect 300. Make it a personal competition. Rather than make it a game against each other, try bowling to beat your own personal scores. This can help give kids the leeway they need to learn and take the pressure off. However, the pins that were knocked down on the first delivery are scored in the box next to the small square. The pins knocked down on the second delivery are listed on the smaller box inside the square. A strike occurs when all 10 pins are knocked down on the first delivery. The square is then marked with the letter x on the upper right corner of the box. Arms Take one arm and raise it above your head. Then bend it at the elbow, while your opposite arm holds it in place. The pull should be felt in the muscles at the back of your arm. Do the same for the opposite arm with eight counts each. Back Hold out both arms in front of you with palms facing outward, link your fingers together and make a pushing action away from your body. Balls can get rather expensive. It's not a bad idea to set a budget before doing some serious shopping. Very inexpensive balls can roll in at about $50, but professional grade ones will cost in the hundreds or more. It is possible to find good buys on all types of balls by shopping around and even considering used or form lane balls, but many prefer to have their very own, brand new ball. They call bowling centers 'alleys' and there are different sizes of alleys and gimmicks used to lure patrons to play the game. The largest bowling alley in the world contains more than a hundred bowling lanes. The average commercial bowling centers contain only about twenty five to thirty lanes. There are already 11,000 bowling centers in the whole world.