PreparationMake ice block: Fill medium metal bowl with water and freeze overnight. Make punch: In large punch bowl, stir together wine, soda, and grape juice. Add lime slices. Just before serving, remove ice block from freezer and defrost just long enough to be slipped out of bowl, 5 to 10 minutes. Transfer to punch bowl and serve immediately.
PreparationMake ice block: Fill medium metal bowl with water and freeze overnight. Make punch: In large punch bowl, stir together wine, soda, and grape juice. Add lime slices. Just before serving, remove ice block from freezer and defrost just long enough to be slipped out of bowl, 5 to 10 minutes. Transfer to punch bowl and serve immediately.