Arrange the cleverly designed tiles (printed on glossy stiff cardboard) to create an astronomically large number of varied continuous landscapes--nearly 1.7 x 1024 possibilities according to the package!  Apparently it's a reproduction of a lithographed early 19th-century European puzzle.  This edition was published in Germany in 1977.The set originally contained 24 tiles, but tragically only 23 are now present, so I have to admit the set is incomplete.  Still, the one missing tile does not m...