This piece is described as "a remade version of M-47. "PENTAGON" (M-8) was created in July 1984. This "Double box" was made by simplifying the device of PENTAGON. There are two layers inside the box." Although it requires only a small number of steps to open, it has an ingenious opening mechanism! The exterior of the box measures approximately 4.72 x 3.35 x 2.29 inches (120 x 85 x 58 mm.) Cherry and Walnut woods. Will arrive with opening instructions and gift box.