4 inch foam cube squares for diy crafts, white blocks for arts supplies (4x4x4 inches, 6 pack) juvale use this set of 6 foam blocks for crafts, modeling, basket filler, science projects, or party decorations. the smooth polystyrene foam can easily be customized using stencils, paint, twine, and ribbon, your mind is the only limitation! create one of a kind party decor, floral centerpieces, or signs for an upcoming holiday party or birthday celebration. each 4 x 4 x 4 inch foam cube can easily be cut to your desired size or shape.