This limited edition puzzle box was crafted in January 2017 and is described by Hiroshi Iwahara as a relatively advanced work among the Link Type Box series. He elaborates by stating "The total number of steps is 21, and extracted number of side movements is 7. This is a kind of “Turning Type” of puzzle. The route to solve it turns one time. The image of the movement was a Rainbow". The design of the box was used for his 2014 Christmas Present, (The Confetto Box 2) Measures approximately 3.23 x 3.23 x 3.23 inches (82 x 82 x 82 mm) Materials used are Magnolia, Senn (Castor Aralia) and metal pin Will arrive with opening diagram and gift box!