Zart poly balls are an excellent addition to your art and crafts supplies | These polystyrene balls are ready to use and decorate in construction, collage, as armatures for modelling, or christmas crafts | Enjoy adding paint, stems, eyeballs, pop-tarts, and other embellishments to poly ball decorations | They are also great for creating solar system models | Encourage kids to collaborate with our larger size poly balls to make humans, snowmen, solar systems, animals, and more | Suitable for all ages | Pack of 10