• Color Cube - Offers a 3 dimensional puzzle based upon color schemes.
• 3D Puzzles - About making three dimensional puzzles in wood or other materials.
• 3D-Puzzles in Foam - 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.
• Fozex - Includes description and photos of a dinosaur fossil exacavation puzzle.
• Game Puzzles - Catalog of original puzzles and games in lasercut acrylic and wood.
• Wrebbit Inc. - Offers an online catalog and other information.

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