Your birthday star will love our Giant Foil DIY Birthday Mayhem Star Shaped Balloon. Shaped like a star, this 24-inch giant foil balloon is a great choice for your birthday party. Just inflate this balloon with helium and use the included chalk marker to write your guest of honor’s name on it. Then, add some more balloons and curling ribbon to create your own balloon bouquet. Looking for more ways to celebrate your guest of honor? Shop the rest of our DIY party supplies.