Stomachion or Ostomachion Puzzle Worlds Oldest by

The Stomachion is perhaps the worlds oldest puzzle, and it is very diffiucult to solve. It is attributed to Archimedes of Greece (287 BC - 212 BC). The 14 precision cut acrylic pieces ,1/4 thick, will make a square and also many other interesting shapes, with each shape requiring all the pieces. It

Stomachion -- from Wolfram MathWorld

Archimedes Square Stomachion Puzzle : Toys & Games

The Loculus of Archimedes, Solved -- from Wolfram Library Archive

Solving Ostomachion using Z3

Stomachion or Ostomachion Puzzle Worlds Oldest by

The Stomachion Puzzle is Available for Purchase – Creative Escape Rooms

STOMACHION PUZZLE

Solving the OLDEST Puzzle Known to Man!

Stomachion or Ostomachion Puzzle - worlds oldest by Archemedes - made USA

The Oldest Puzzle in History?

MathWorld News: Playing in the Sandreckoner's Box

Puzzle with over 500 different solutions. : r/mildlyinteresting