This magical activity is based on a photographic process: cyanotype. Using opaque patterns, you can create illustrated scenes on photosensitive paper. When exposed to sunlight, a negative of the patterns is produced on the paper. Then, all you need to do is rinse the paper in a clean water bath and watch as your creations appear on the blue background! A variety of elegant patterns to create 4 poetic night pictures. A simplified activity with no need to mix chemicals! A whole new approach to illustration by printing patterns on acetate film! A magical, poetic activity Each creation is unique An activity to repeat again and again thanks to paper refills for cyanotype (sold separately). A variety of abstract patterns to build your town with bricks! 1 step-by-step instruction booklet.