A favorite puzzle of Chinese origin, consisting of a square cut into five triangles, a square, and a rhomboid. The accompanying booklet shows more than 170 possible designs. Manufactured from purely natural materials - chalk, quartz-sand, and linseed oil - the brick-red stones meet the highest ecological standards. Their unique stone-feel, rough-smooth finish, make this tangram uniquely pleasant to use. 2¾" x 2¾" Made in Germany.