Adorox Polystyrene Smooth Foam Balls Arts & Crafts Floral Wedding Decor Science Modeling Styrofoam (2.5 Inch (12 Balls)) Available in sizes: 5, 4, and 2.5 Inches Color: White Smooth Foam Sphere Balls Great to use for sculptures, modeling, science school projects Paint it, glue it, sand it and decorate it. Perfect for weddings and baby shower decorations