More info We've put together a rounded-out collection of our mechanical puzzle shapes and finishes that capture the essence of Craighill and the metals we employ: the Vapor Black Tetra , the Stainless Steel Venn , and the Jack Puzzle in Brass. A wonderful gift for the collector in your life. (Hand-drawn assembly instructions are included) Specifications Gift Box: 11.75" W x 6" D x 3.75" H JACK PUZZLE: 3" x 3" x 3" 1/2" Diameter bar 1.1 lbs Solid Brass VENN PUZZLE: 2.25" D (same as a billiard ball) 1.75 lbs Die-cast Stainless Steel TETRA PUZZLE: 2.9" x 2.9" x 2.5" 1.5 lbs PVD Black coated Stainless Steel finish Vapor Black coating is ultra-durable and scratch resistant Designed by Revision for Craighill