Steal This Deal From Puzzlemasters!Jack Puzzle This puzzle is comprised of six different notched brass bars that interlock in one specific way to create a unified "jack" shape. It's exactly milled by a skilled machinist in Massachusettsand it weighs one pound. It's a desk objecta paperweightand a true distraction. But be forewarnedif you take it apartyou might not be able to figure out how to put it back together...(Hand-drawn assembly instructions are included in the package) SPECIFICATIONS:   1/2" Diameter bar   Weighs approx. 1 lb   Measures 3" X 3" X 3" (assembled)