Microsoft and our third-party vendors use cookies to store and access information such as unique IDs to deliver, maintain and improve our services and ads. If you agree, MSN and Microsoft Bing ...

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 ...