[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 ...

if you consider yourself a puzzle master, you might like to test your skills against the unique Nikola Tesla Puzzle Box constructed using details from once lost archives. Imagine holding a piece of ...