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.

Color Cube
Offers a 3 dimentional puzzle based upon color schemes.

Wrebbit Inc.
Offers an online catalog and other information.

Game Puzzles
Catalog of original puzzles and games in lasercut acrylic and wood.

Fozex
Includes description and photos of a dinosaur fossil exacavation puzzle.

3D Puzzles
About making three dimensional puzzles in wood or other materials.

TK Toys
Manufacturer and distributor of the "Star Cube Puzzle" a puzzling construction game for young children.