This box is made out of a number of natural wood (Walnut, Ho, Mizuki, Purple heart, Keyaki, Jindai katsura wood).
This puzzle box is opened with 14 steps. This puzzle box is unique square shape puzzle box.
The top and bottom panels are made of 5 kinds of natural wood.
Opening method of the puzzle box: 14 steps
Outside dimension : 78 x 78 x 50 mm
Internal dimension : 41 x 64 x 36 mm
Solution sheet included