This Trick Box was a winner of the 7th Karakuri Idea Contest.
The idea originated from Mineo Kumagai and later was hand-crafted by Tatsuo Miyamoto.

Crafted of Cherry, Walnut and Karin woods in July 2015.

Measures approximately 4.72 x 4.33 x 2.00 inches (120 x 110 x 51 mm).

Comes in Gift Box and Opening Diagram!