ice, in the shape of a ring
1 (40 ounce) bottle grape juice
1 (48 ounce) can unsweetened pineapple juice
1 (2 liter) bottle lemon-lime flavored soda
2 oranges or 2 lemons
750 ml vodka (optional)
1.Place ice ring in bottom of punch bowl.
2.Add liquids in order given.
3.Float slices of oranges and limes on top.