These twelve interlocking three-dimensional wooden puzzles were made in Japan, likely by the Yamanaka Kumiki Works. Each is individually wrapped in plastic and includes a sheet showing how to assemble ...

[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 ...

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 ...

One of the most talked-about education tech innovations in the US this summer is not so hi-tech. Actually, it is mostly wood-based. Occupying a school bus parked outside the annual conference of the ...