Jack Puzzle by Craighill

Jack Puzzle The Jack Puzzle is composed of six different notched brass bars that interlock in one specific way to create a unified "jack" shape.  It is exactingly milled, and weighs just over one pound. A desk object, a paperweight, and a true distraction — but be warned, if you take it apart, you might not be able to figure out how to put it back together… (Hand-drawn assembly instructions are included)  DETAILS 1/2" Diameter bar Weighs approx. 1 lb Measures 3" X 3" X 3" (assembled)  Solid Cartridge Brass (alloy 260 – 70% copper, 30% zinc) Bull-nose ends, lathe-cut