The Bars Box IV Puzzle that was distributed as a Christmas gift to select 2019 Karakuri Members. The crafter describes the puzzle in the following manner, " This work was made to confound those who are used to the Bars box II (KW-37) and Bars box III (KW-38). Fewer moves are required to solve this puzzle." The exterior of the puzzle measures approximately 70 x 70 x70 mm (2.76 x 2.76 x 2.76 inches). Crafted in Magnolia, Walnut, Japanese Oak, Purple Heart, Cherry and Maple. Will arrive in original gift box and opening diagram.