Kadon Enterprises, Inc.
Games and puzzles like Pentominoes, Penrose Tiles, Tessellations, and other abstract strategy games. http://www.gamepuzzles.com
Jigsaw Puzzles
Offer a wide range of jigsaw puzzles and puzzle accessories, specializing in shaped, 3d and children's puzzles. Useful search feature, and online discounts. Worldwide shipping.
Imagination Project
Inovative puzzles and products, including officially licensed M.C. Escher tessalations.
NZP Puzzles and Games
A set of puzzles and solitaire for Windows including 'Robot Puzzle', 'Pigs Dice
Game', and 'Four Corners'.