The foam board is great for polystyrene foam brick, Sculpture, science modeling, DIY Arts and crafts, Kids class works, floral arrangement,table centerpiece with flower picks, flags, cake pops, or lollipops sticking. Our foam blocks are easier to cut to size with sharp knife. Each foam block measures 4 x 4 x 2 inches Versatile: These foam blocks can be used for a wide range of projects, including building sculptures, creating models, making floral arrangements, and more. They are also great for classroom activities, party decorations and home decorations.