20 ounces frozen raspberries in syrup, thawed
24 ounces frozen pink lemonade concentrate, thawed
23 ounces frozen raspberry juice cocktail concentrate, thawed
12 cups water
48 ounces lemon lime soda
1 thinly sliced lemon

Spoon berries with syrup into two ice cube trays. Add water just to cover berries. Freeze 3 hours till firm. Mix concentrate and water together. Chill till serving. Just before serving, pour in soda and stir gently. Place ice cubes in glasses and pour mixture over. Garnish servings with lemon slices.