The SunPrint Solar Paper lets you makes beautiful pictures by placing objects on the paper and exposing it to the sun. The paper undergoes a chemical change when exposed to sunlight. Save the print by soaking in water then drying. On back-order.Students and Teachers project tip! The Sunprint paper can be used for a creative, solar art project. With this paper you can also demonstrate UV blocking sunscreen by smearing sunscreen on plexiglass and exposing the paper to the sun. Use different strengths of sunscreen and see how the image has changed. Made in the USA. Ages 6 to Adult. Contains 15 sheets, 20 X 30 cm or approx. 8" X 12". This kit includes a 20 X 30 cm acrylic sheet. Refill Kits also available. Quantity pricing is available.