For bulk packs (e.g., 6–24 count) or specific large sizes (up to 18 inches), sites like Amazon and eBay offer the widest selection. Specialty Craft Stores:
Large art supply stores like CN Square in Yau Ma Tei or The Artland in Wan Chai typically stock foam shapes. 💡 Key Shopping Tips
Retailers like Spotlight and Etsy carry various heights and densities.