Slube: Sliding Puzzle Cube - A sliding puzzle cube similar in look to the Rubiks' Cube. Contains information on how to purchase the game, news, and a gallery. - http://www.slube.co.uk/
Tangrams - Ancient Chinese puzzle consisting of 7 geometric shapes. Learn its history, make a set, or try solving one of the shapes. - http://www.tangrams.ca
Passion for Puzzles - Collector site offers information about puzzles like Rubik, includes pictures, solutions, and strategies. - http://www.passionforpuzzles.com
Impossible Bottles - Learn the puzzling art of putting large objects into small bottles. - http://www.puzzlesolver.com/list.php?cat=5
Puzzle & Craft Factory - Provides Puzzles, Brain teasers, Toys and Games to people of all ages and skill levels - http://www.puzzle-factory.com/
Brain Binders - Paper puzzles free to download. - http://www.teachnet.com/brainbinders/
Brass Puzzles by Rocky - Maker of hand machined brass puzzles. - http://brasspuzzlesbyrocky.com/
Hockey Puck Puzzle - Offers a Rubik's cube related 3D puzzle shaped like a hockey puck, with many different design patterns. - http://look.net/hockeypuck/
Tumbler Puzzle Solution - Step by step guide to solving the Nintendo Tumbler puzzle. - http://www.smartbytes.co.uk/Tumbler/
The Puzzle Museum - Source of information concerning mechanical puzzles and their history. - http://www.puzzlemuseum.com/
Parlor Puzzles - Collectibles, puzzles, and gifts. - http://www.parlorpuzzle.com
Potty Puzzles - Puzzle site with wooden assembly, burrs, wire and many other types of mechanical puzzles. (UK) - http://www.pottypuzzles.co.uk/
Puzzle World - Different varieties of mass produced mechanical puzzles as well as individual hand crafted puzzles and information for collectors. - http://www.johnrausch.com/PuzzleWorld/default.htm
Puzzle People Page - Directory of mechanical puzzle collectors, as well as other information. - http://www.toad.net/~elva/slocum.html
Meffert's World of Puzzles - Manufacturer of many different types of Rubik like puzzles. - http://www.mefferts-puzzles.com
PuzzleSolver - Solutions for the Rubik's Cube and many other mechanical puzzles. Post questions and get answers on the puzzle message board. Has a Puzzle of the Month page. - http://www.puzzlesolver.com/
Puzzles.com - Home site for the Binary Arts line of mind puzzles. - http://www.puzzles.com/
Tavern Puzzle Collection - Metal puzzles, created by blacksmith Dennis Sucilsky. Puzzle descriptions, and solution pages, complete with diagrams for taking apart puzzles and reassembly. Produced by Tucker-Jones House, Inc. - http://www.tavernpuzzle.com
Livewire Puzzles - Makes wire puzzles of various levels of difficulty. - http://www.puzzles.ca/