You can make many different shapes with this exciting nine-piece Tangram like puzzle. Consisting of one large, three medium and five small right triangles, these TRIGRAM pieces can be arranged to show many geometric relationships for a variety of interests: dinosaurs, aircraft, animals, people, geometric figures, Alphabet and more! To get your plastic copy packed in a CD-style plastic case for easy storage. go to http://stokespublishing.com/mathpuzzles.html to get a plastic version of this puzzle.