[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 ...

The puzzle presents a box filled with three letters -- A, E and O. Inside the box are nine smaller boxes with a letter inside each. The letter are organised in a seemingly random manner and your ...

In order to prolong this experience, [Raffi] built an electronic puzzle box. The box contains the final gift, but first a series of puzzles must be solved in order to open the box. The project ...