[Kagen Sound] is a woodworker and artist who gives a great behind-the-scenes look at his amazingly high-quality puzzle boxes (video). Not only do his varied puzzle box designs show his math background ...

The science experimenters at TKOR assemble a hidden wooden puzzle box that challenges users with clever mechanical secrets.

Forbes contributors publish independent expert analyses and insights. I am an investigative attorney and physical security specialist. Think of a wooden box that is as large as a foot square, with ...