Kushner Puzzle, an "esp"

   

Top and bottom of 83-piece 8 1/2" x 11" x 1/8" puzzle with 7 7-piece sub-puzzles which are color-coded on their backside. The sub-puzzles were inspired by the diagram on the cover of Honey from the Rock.

Click here to learn about two assembly strategies for this puzzle

http://primepuzzle.com/kushner-page-version-2.html