A few folds and it becomes a star. A few more folds and you have three cubes. Turn it in on itself and you've got a pyramid. What other hidden shapes can you find? Only the puzzle box knows for sure..

[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 ...