Visible Drawer Puzzle Box Accessory two-tone beechwood body features soft

two-tone beechwood body features soft

SwitchPen has a smooth cylindrical shape

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Visible Drawer Puzzle Box Accessory two-tone beechwood body features softExquisite craftsmanship and clever calculations combine to create two exceedingly difficult puzzle boxes perfect for fans of advanced mathematics. The Ternary Box requires eighteen moves to open and the Quinary Box requires fifty! Please don't ask us to explain the underlying mathematical principles. Designed by the brilliant craftsman Hiroshi Iwahara, both Visible Drawer Puzzle Boxes are made from Walnut, Wenge, Padouk, Maple and acrylic "see