Kagen Sound is an artisan of remarkable skill, engineering and constructing incredibly intricate puzzle boxes made entirely of wood. WIRED brings you inside his workshop as he breaks down the design ...

Not only do his varied puzzle box designs show his math background, but they are all made entirely of wood. There are no nails or fasteners; just intricately-fitted wood and some glue. There’s a ...

The face puzzle, a box of wooden jigsaw pieces, looks like a child’s game, a primitive, flattened-out version of Mr. Potato Head. Start with the biggest piece, a half-inch-thick hunk of wood ...