DIY Mini Conversation Heart Piñata ..Put hanger in top of box. Fill box with candy. Use scissors to cut about a foot of streamer into fringe. attach to box side using double-sided tape so you paper over the top and bottom (so the only way to get inside the pinata is to break it open). Make sure to start from the bottom and work your way up. You can leave the back plain, cover it with fringe, or cut a piece of colored paper to fit and glue it on. Create a saying using sticker letters.