3D

Color Cube
Offers a 3 dimensional puzzle based upon color schemes.
http://www.colorcube.com

3D Puzzles
About making three dimensional puzzles in wood or other materials.
http://home.planet.nl/~kalde063/

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.
http://www.cricro.com

Fozex
Includes description and photos of a dinosaur fossil exacavation puzzle.
http://www.fozex.com/

Game Puzzles
Catalog of original puzzles and games in lasercut acrylic and wood.
http://gamepuzzles.com

Wrebbit Inc.
Offers an online catalog and other information.
http://www.wrebbit.com