» Cubic Dissection Interlocking puzzle gallery. Handcrafted wooden puzzles for sale. http://www.cubicdissection.com
» Don's Puzzle Collection A collection of handmade wooden puzzles and brainteasers. Includes images of each both assembled and apart. http://www.angelfire.com/space/adelaar/puzzles/
» IBM Burr Puzzles Explore known burr puzzles and calculate new ones using the burr calculator. http://researchweb.watson.ibm.com/BurrPuzzles/
» Knox Puzzles Custom made wooden toys for children, puzzles and games. http://www.knoxpuzzles.com/
» Making the Burr Puzzle Instructions on how to make burr puzzles including what tools and materials to use. http://www.flowerfire.com/burrmaking/
» Mr. Puzzle Offers a range of complex wooden burr puzzles and brainteasers. http://mrpuzzle.com.au
» Pentangle Puzzles Designers, manufacturers and distributors of over 150 quality wooden puzzles made in England. http://www.pentangle-puzzles.co.uk
» Pinnacle Puzzles Traditional handmade wooden games and puzzles for the entire family. (UK) http://www.pinnaclepuzzle.freeuk.com/intro.htm
» Tarata Offers handmade balancing animals wooden game for adults and children. http://www.tarata.com/
» The Puzzle Palace Offers a range of complex wooden puzzles and brainteasers including Gemani designs. http://www.puzzlepalace.co.uk
» Toys-for-all Information on the company's products and how they are created. http://toys-for-all.de/