Will just keep playing different puzzle box designs.
http://www.kagensound.com <—— they have different version of some elaborate puzzle boxes. Where the video link originates.
Can see the precision of a laser being a great help in making some of these.
I love puzzle boxes! One of these days…
Followed and Bookmarked. So Cool!
Someday I want to build one too. 
That’s great. That the solution is to shift from one (very pretty) design to another (equally pretty design) is awesome and inspiring.
I am a Idea Thief. I shall now steal that idea.