& Lowe’s : While they primarily sell large insulation sheets (XPS "pink" or "blue" foam), these are frequently used by crafters who stack and laminate them to create thick blocks for carving. Online Marketplaces & Specialty Suppliers
: Stocks polystyrene blocks primarily for floral arrangements and sculpting, often sold in multi-packs. where to buy polystyrene foam blocks
: Carries a standard selection of white and green craft foam shapes and blocks. & Lowe’s : While they primarily sell large
You can buy polystyrene foam blocks from various retailers depending on whether you need small craft sizes, large construction blocks, or bulk industrial quantities. You can buy polystyrene foam blocks from various
: Offers a wide variety of "CraftFōM" and "FloraFōM" blocks in various sizes, from small 3-inch cubes to larger rectangles (e.g., $15.99 for a 4-pack of 6x6x6-inch blocks).
These are the best options for quick, individual purchases for DIY or art projects.