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|Blogs, comments, musings, design sketches, and photographs of mechanical puzzles by an avid collector and craftsman. Puzzle news, the author's own burrs (Watson's wormhole, digigrams, Dutch cubist), in-depth explorations of manipulative puzzles (Puzzles of the Month, or POTM), metagrobology bibliographies, contact information for puzzle suppliers, documentation of Prague shopping exploits and London puzzle parties (as well as suggestions of playful food and snack choices for the latter), some taxonomy of puzzles, and much more.|
|Levels:||Middle School (6-8), High School (9-12), College|
|Resource Types:||Manipulatives, Recreations|
|Math Topics:||Discrete Math, Polyhedra, Euclidean Plane Geometry, Logic/Foundations|
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