The Stomachion is thought by many to be the world's oldest puzzle. The puzzle design itself is attributed to the Greek scholar Archimedes between the years 287 BC - 212 BC.
This is not only a historically significant and the world's first puzzle brain teaser, but also very enjoyable to solve. With over 500 unique solutions the Stomachion will keep you entertained for hours on end.
It is also a wonderful puzzle to keep out on the coffee table as a conversation started and to entertain guests.