This set of Thinlits Dies, Shadow Box Elements, is designed by Eileen Hull for Sizzix and is meant to be an add-on to the Shadow Box Frames die sets (sold separately). This die set features 12 dies, which includes four houses and decorative elements to add to those houses such as a fence and grass, etc. These dies are compatible with leading die cutting machines (sold separately). These wafer-thin chemically etched dies are designed to cut, emboss, or stencil a single sheet of paper, cardstock, vellum, or metallic foil. These dies can be used for cards, scrapbook pages, tags, journals, planners, and other paper crafting, home decor, and mixed media projects. The largest die measures 3.125" x 0.625" and the smallest die measures 0.375" x 0.375".