Wide Application: the white foam blockss are perfect for DIY projects, arts and DIY crafts making, Christmas snowman making and other home decoration use, ideal supply to turn your creativity into reality.tems can be inserted into the foam for display or organization. Because of its light weight and ease of use, EPS polystyrene is commonly used for display projects such as centerpieces, retail displays and even entomology and butterfly collections. EPS foam is cost-effective and has a clean, white appearance, which makes it perfect for many crafting and display projects.