1 can frozen piña colada concentrate, thawed
1 can frozen orange pineapple juice concentrate, thawed
4 liters of diet lemon-lime soda
1 bag of pebble ice (You can buy it at Sonic Drive-In or at most grocery stores in the deli or meat departments.)
1 bag of frozen raspberries
Pour the thawed concentrates into your punchbowl and stir.
Use one of the empty cans and fill it with water four times and add it to the mixture. Stir.
Add your diet soda to the mixture.
Next, add about half your bag of pebble ice.
Add your frozen raspberries to the top.