This clear photopolymer stamp set, School Rocks, is part of the First Day of School Collection from Echo Park. This stamp set includes outlines of a globe, a backpack, a crayon, a school banner, many words and phrases about school, and a paper airplane. These stamps adhere to acrylic blocks and can be used with your favorite inks, markers, embossing powders, watercolors, colored pencils, and other crafting mediums (sold separately). These stamps can be used on cards, scrapbook pages, tags, journals and planners, and other paper crafting projects. These stamps are made in the USA.