Build a Wooden Arch Toy

Since my early days in architecture school, I have been fascinated with masonry and stone arches. Arches are a wonder of both simplicity and complexity. How seemingly impossible is it...

Wooden Burr Puzzles

Notch a few sticks and drive your friends crazy. Something’s got to give when pieces of wood intersect at 90˚ angles. That’s the reality behind the curious assemblies shown here....

Alphabet Puzzle

Dado a few sticks, then practice your ABCs. Think twice before you take this puzzle apart. It has six faces, each face has nine squares and each square is lettered....

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