[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 ...

A treasure worth more than $2 million hidden by California crypto-millionaire Jon Collins-Black in five puzzle boxes in five secret locations across the country. Start the day smarter. Get all the ...

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 ...