silverlake craft foam block - 8 pack of 4x12x1 eps polystyrene styrofoam cubes for crafting, modeling, art projects and floral arrangements - sculpting block diy school & home art projects (8 pack) silverlakellc eps foam for crafting: cut it sand it coat it paint it great for centerpieces, craft projects, christmas villages, wall decor, diy crafting and much more.