Geo)Foam Building Blocks – Geofoam Applications in Buildings – Insulfoam
GEOFOAM - Expanded Polystyrene Soil Substitute
Silverlake Large Craft Foam Block - 11x17x7 EPS Polystyrene Blocks for Crafting, Modeling, Art Projects and Floral Arrangements - Sculpting Blocks for DIY School & Home Art Projects : Amazon.ca: Home