2 Pack Large Foam Balls for Crafts, 19 cm Diameter Solid Polystyrene Spheres for DIY Projects, Flower Centerpieces (White) : Amazon.co.uk: Home & Kitchen
Juvale Foam Balls (100-Pack) - Arts and Crafts Supplies - Perfect for Party Decorations for Weddings, Christmas and more - White, 2,5 cm in Diameter : Amazon.co.uk: Home & Kitchen
Foam Ball, Half Sphere, School Supplies, for DIY Crafts, Floral Arrangements | eBay
Polystyrene Foam Ball : 30cmD - Holstens
Soft Sponge Foam Balls 70mm(Dia) - Pack of 12 | Play Balls | YPO