Hygloss Craft Foam Balls are the perfect starting point for many fun and beautiful projects. Use as a base for floral arrangements or craft centerpieces. Teachers love Foam Balls for science projects and models; you can even create a model solar system with the large selection of sizes! These balls are popular for creating and decorating holiday ornaments and decorations. So get out some tissue paper, sequins, paint and glue, and let your creativity start running!2", 12 pieces