70mm white polystyrene balls – Economy of Brighton
Major Brushes Polystyrene Balls (Assorted pack of 75) 50 x 35mm and 25 x 70mm | Rapid Online
160 mm polystyrene ball – Poly Craft Supplies
Craft Planet Polystyrene Balls (40 Piece Pack) - Kids Creativity from Crafty Arts UK
Pack of Polystyrene Balls
Shop Styrofoam Balls | Craftelier
Worown 6 Pack 10 cm White Foam Balls, Solid Polystyrene Balls for Arts & Crafts, Ornaments School Projects Wedding Decorations : Amazon.co.uk: Home & Kitchen