Pull-String Rocket Pinata DIY. Celebrate 4th of July with your very own handmade Rocket Pinatas. Fill them with confetti, pom poms, or even sweet treats for your friends and family to enjoy. Best of all, you can even refill the rockets to use the pinatas over and over again. kids. easy. party. decorations. fun. blue. red. white. crafts. activities. science. experiments.