Rocket Pops what you need 1 pkg. (4-serving size) JELL-O Cherry Flavor Gelatin 1 cup sugar, divided 2 cups boiling water, divided  Ice cubes 2 cups cold water, divided 1 pkg. (4-serving size) JELL-O Berry Blue Flavor Gelatin 1 tub (8 oz.) COOL WHIP Whipped