AMZQNART Craft Foam Block, 1 in Thick 17x11" EPS Polystyrene Rectangle Foam Block Packs of 7 Pcs for Art Sculpting, Sculpture, Modeling, School and Home DIY. : Amazon.ca: Home
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
Expanded Polystyrene EPS - INSUTECH - International Company For Insulation Technology
GEOFOAM - Expanded Polystyrene Soil Substitute
White Square EPS (Non Squishy) Hard Foam Block Cubes by MT Products (6" X 6" X 6") (4 Pieces) : Amazon.ca: Toys & Games