Rayher 3306300 Large, Fillable Polystyrene Craft Ball for Decorating, Two-Part Ball, Hollow Styrofoam Sphere, Diameter 40 cm, white : Amazon.co.uk: Home & Kitchen
4 ct Foam Balls 4" Round White Polystyrene Styrene Forms Sphere Art Craft C096 | eBay
Asian Hobby Crafts Spherical Craft Foam Balls for Decoration and Kids Craft Making, DIY Craft Balls for School Projects and Solar System Making, Party and Craft Foam Balls (4 Inch Pack of
6 Inch Craft Foam Balls 6 Pack Holiday Arts Crafts Making Smooth Polystyrene Foam Balls For Christmas Ornaments And Modeling School Projects | Fruugo UK
2" inch Balls Round White Foam Polystyrene Sphere Forms Art Craft C086 | eBay