http://www.cricro.com/
Flat-to-box puzzles in foam. Six square can build a cube, combining five squares with two pentagon pieces gives pentagon box. Six levels. Solutions too.
http://www.fozex.com/
Includes description and photos of a dinosaur fossil excavation puzzle.
http://www.gamepuzzles.com/
Catalog of original puzzles and games in lasercut acrylic and wood.
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