STYROFOAM™ Balls4” Styrofoam balls and larger sizes are used for a multitude of different craft projects. They can be used for decorations. The balls can be used to create snowmen for the holidays by gluing different size balls on top of each other. They can be used to create the solar system using STYROFOAM™ balls up to 12” in diameter to represent the various planets and suspended from the ceiling using fish line. The uses for STYROFOAM™ balls 1” to 12” in diameter are only limited by the imagination of the user. We only sell in Bulk and minimum order $250.