Just peel the backing off and sprinkle on the included sand to bring your wild art to life. The protective covering lets kids add sand section by section for precise detailing. Use completed masterpieces as classroom decorations for a vibrant way to spruce up your space. Also makes a wonderful birthday party activity or after-school art project. Each board includes 6 bags of colorful sand. Includes 6 funky designs (4 of each) that kids are sure to love. Cardboard. (2 dozen per unit) 5" x 7"