[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 ...

[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 ...

Now with more themes and more puzzles! 50 Different High-Quality Puzzle Images...10 different themes to choose from...14 calming puzzle music tracks... Well, it took a little longer than I had ...