Sizzix-Thinlits Dies by Tim Holtz – Bird Crazy. Thinlit dies offer a variety of affordable solo options or multi die options. Thinlits are easy to use and are compact and portable. Thinlits are designed to cut a single sheet of cardstock, paper, foil or vellum. For best results use 80lb or more cardstock. Because of their intricacy, Thinlits dies may require up to 3 passes to cut completely.These dies are compatible with Sizzix BIGkick, BigShot, Vagabond and Big Shot Pro. This package contains eighteen dies. Design: Bird Crazy (measuring between 1/4×1/4 inches and 2-7/8×2-3/8 inches). Designer: Tim Holtz. Imported.