Set of 20 polystyrene balls, diameter 6 cm / 60 mm, high density
30mm Solid Polystyrene Balls Craft Balls Styrofoam Craft Candy Sweet Tree Poly Decoration Craft Kids Crafts Smooth High Density Spheres (25 Balls) : Amazon.co.uk: Beauty
High Density Polyethylene Balls (HDPE) - RGPBALLS
Polystyrene ball, diameter 15 cm / 150 mm, high density
Polystyrene - Wikipedia
40 Pack 3 Inch Craft Foam Balls, Polystyrene Balls, For Arts And Crafts Supplies, School Project Weddingdiy, Christmas,home, Easter And Festival Party | Fruugo UK
Polystyrene Modelling Balls High Density 10pcs x 80mm | eBay
Set of 20 polystyrene half spheres, solid, diameter 2 cm / 20 mm, high density
High Density Smoothfoam 2" Diam. Ball 12/Pack – Smoothfoam.com
Styrofoam Ball Ø 25 cm 2-pcs
Polystyrene Balls Manufacturers and Suppliers in the USA
Solar System Project Kit, PlanetModel Crafts 14 Mixed Sized Polystyrene Spheres Balls for School Science Projects | Fruugo UK
Power-Packed High Density Polystyrene Beads for Heavy Industry Uses - Alibaba.com
Hi Density Polystyrene Ball with hole in – Catfish-Pro Ltd