This kit brings the magic of photography back to its roots, with a formula inspired by the one used by Herschel in the 1840s. Containing everything you need to create 50 stunning A4 cyanotype prints, it's perfect for photographers, artists, and anyone who wants to experiment with a unique art form. Inside the Kit: Two amber glass bottles of safe and easy-to-mix chemicals (ferric ammonium citrate and potassium ferricyanide) Clear, step-by-step instructions Simple Process: Combine equal parts of each solution in a separate container (not included). Brush the mixture onto paper or fabric. Let it dry completely in a dark space. Place your negative or object on the coated paper. Expose to sunlight for a beautiful blue print to emerge. Rinse thoroughly with water and watch your creation come to life!