Stomachion - The World's Oldest Puzzle how to read braille We also now offer a

We also now offer a Double Key Maze III which as you may have guessed from the name is twice the size

and of course

In order to open the Secret Stash Box you must spin it and then you can lift the lid off

"Where to buy an authentic Calibron 12 puzzle

How did he do each combination of 23 to 30 men per side

Stomachion - The World's Oldest Puzzle how to read braille We also now offer aLearn more about Stomachion, the world's first puzzle. It is attributed to Archimedes of Greece (287 BC 212 BC). The 14 acrylic precision cut pieces, 1 4" thick, will make a square and also many other interesting shapes, with each shape requiring all the pieces. It comes with 19 other shapes that can be made beyond the square. The square measures 6" x 6" when completed in the frame. The puzzle in the wood frame and cover measures about 7" x 7"