[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 ...

When puzzles were first invented, they were made out of wood, and carpenters used jigsaws to cut the pieces (which explains how they got their name). Perhaps that’s why it feels so good when you put a ...

The Local newsletter is your free, daily guide to life in Colorado. For locals, by locals. Kagen Sound’s 600-square-foot shack sits in the backyard of his quiet townhome in City Park West. A powerful ...

It's hard to walk by a card table full of puzzle pieces and not try to fit even one into place. It's just that pull toward a mental challenge, and the way puzzles bring people together, that Fred ...

Some of the most devoted hobbyists are willing to shell out big bucks for what one called “a couture puzzle.” “The return of analog is, I believe, the recognition that the simple and well-made can ...