Stamp It Yourself. Create trendy, hand-stamped projects with ImpressArt’s SIY Project Kits. Our easy-to-use Stamp It Yourself (SIY) Kits include the prefinished blanks and all project findings create hand-stamped gifts and keepsakes. These affordable kits include the blanks and accessories you’ll need to finish fun and easy, personalized pieces such as jewelry, ornaments, bookmarks, keychains, and more!