Place 4 blueberries in each of 16 ice cube cups. Add about 1 teaspoon blackberry flavored juice. Freeze at least 1 hour or until solid. Add 1/2 tablespoon white cranberry drink to each cup. Freeze 1 hour or until solid. Top with 1/2 tablespoon cranberry beverage. Freeze at least 1 hour or until solid. In each of 4 tall glasses, pour 1/2 cup white cranberry juice drink and 3/4 cup soda. Add ice cubes to each glass. Makes 4 servings.