This work was designed for an exhibition with the theme of “Story”. Designed in April 2018, this puzzle was available to Karakuri lottery winners. Can be opened in only a few steps. Measures approximately 5.12 x 2.36 x 1.97 inches (130×60×50 mm) Secret space is approximately 2.32 x 1.34 x 1.30 inches (59×34×33 mm) Comes in Gift Box and Opening Diagram!