Create your own artistic designs, murals, greeting cards and more using sun-sensitive paper and shapes! Learn about basic photography, art and science as you arrange leaves, film negatives, or any shape you choose on the paper. Expose the sheet to the sun and watch it change. Develops in water into beautiful blue and white images! Includes 15 sheets (5-1/3-inch x 7-1/2-inch) and 1 transparent cover.