The Jack Puzzle iscomposed 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)
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