Sparkling Rainbow Melon
["2 c. watermelon balls or cubes", "2 c. honeydew melon balls or cubes", "2 c. cantaloupe melon balls or cubes", "1/3 c. frozen limeade concentrate, thawed", "1/2 c. lemon-lime flavored carbonated beverage, chilled"]
["In large, nonmetal bowl, combine all ingredients, except carbonated beverage.", "Cover.", "Refrigerate 1 to 2 hours to blend flavors."]
["watermelon", "honeydew melon", "cantaloupe", "frozen limeade", "lemon-lime"]