Animal Crossing: City Folk Easter eggs

Golden Slingshot
All you need is a regular slingshot. In your town a balloon with a present will come by about every 10 minutes. The requirement is to have shot down at least 10 balloon presents. Then the next time you shoot down a balloon present, it may be a golden slingshot! You may not get one the first time but try and try again until you get one. The golden slingshot has a three way shot so you have a better chance of shooting down a balloon.

hope this helped!