The Jack Puzzle is comprised of six different notched brass bars that interlock in one specific way to create a unified "jack" shape.
It is exactingly milled by a skilled machinist, and weighs just over one pound.
A desk object, a paperweight, and a true distraction—but be forewarned, if you take it apart, you might not be able to figure out how to put it back together…
SPECIFICATIONS:
-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.
Delivery: 1 day