Der Grillentöter. I'Ammazzagrilli Gondüzö Urtochobijce Rozweselacz (Anchor Puzzle)
Leipzig: NP, ca. 1900. Hardcover. Early 20th century Richter Tangram set (Anker Steinbau puzzle). The tangram (seven boards of skill) is a dissection puzzle consisting of 7 flat shapes, called tans, which are put together to form shapes. The objective is to form a specific shape using all 7 pieces..... More