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Rube Goldberg Machines
Rube Goldberg Contests, Marble Machines, Official Rube Goldberg Web Site, Rube Goldberg Machine
Rubik
Software, Solutions, Cube Lovers, Cubeman, Dan's Cubestation, Fred Holly's Designs, Gaetan Guimond, Georges Helm, Gilles's Cube Page, How to Solve the Skewb Cube, Idea Finder, Kristin's Customized Cubes
Wooden
Cubic Dissection, Don's Puzzle Collection, IBM Burr Puzzles, Interlocking Puzzles, Knox Puzzles, les jeux d'Anna, Making the Burr Puzzle, Mr. Puzzle, Other Zone, Pentangle Puzzles
Brain Binders
Paper puzzles free to download.
Brass Puzzles by Rocky
Maker of hand machined brass puzzles.
Hockey Puck Puzzle
Offers a Rubik's cube related 3D puzzle shaped like a hockey puck, with many different design patterns.
Impossible Bottles
Learn the puzzling art of putting large objects into small bottles.
Livewire Puzzles
Makes wire puzzles of various levels of difficulty.
Meffert's World of Puzzles
Manufacturer of many different types of Rubik like puzzles.
Parlor Puzzles
Collectibles, puzzles, and gifts.
Potty Puzzles
Puzzle site with wooden assembly, burrs, wire and many other types of mechanical puzzles. (UK)
Puzzle & Craft Factory
Provides Puzzles, Brain teasers, Toys and Games to people of all ages and skill levels
Puzzle People Page
Directory of mechanical puzzle collectors, as well as other information.
Puzzle World
Different varieties of mass produced mechanical puzzles as well as individual hand crafted puzzles and information for collectors.
Puzzles.com
Home site for the Binary Arts line of mind puzzles.
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.
Russian Puzzles
Connect the cubes to complete the picture on each side. Makes customized puzzles from your pictures.
Tangrams
Ancient Chinese moving-piece puzzle consisting of 7 geometric shapes. Allows visitors to learn its history, make a set, try solving one of the shapes or explore the author's links.
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.
The Puzzle Museum
Source of information concerning mechanical puzzles and their history.
Thomas Ball
Offers soccer ball shaped mechanical puzzles.
Tumbler Puzzle Solution
Step by step guide to solving the Nintendo Tumbler puzzle.