In my teaching, I enjoyed creating models to clearly communicate my thoughts.
Once I completed the Cube and demonstrated it to my students, I realized it was nearly impossible to put down.
I did not plan to make the Cube.
Our whole life is solving puzzles.
Now, after the Cube, I still don't have any plans to make anything like it.
Like after a nice walk when you have seen many lovely sights you decide to go home, after a while I decided it was time to go home, let us put the cubes back in order. And it was at that moment that I came face to face with the Big Challenge: What is the way home?