Puzzle Collecting
A very nice collection on Twisties and other amazing puzzles.
Georges Helm is well-known as a collector of Rubik's Cubes and its derivates.
Roxanne Wong has an incredible number of puzzles of all kind.
On his website Rob Stegmann tries to systematize puzzles of all kinds.
Juan's puzzle collection is amazing and one of the largest at least in Europe.
Kerstin Dreyer and her daughter are engaged puzzle collectors.
Judy Wyckoff's collection covers different types of puzzles and consists of several hunderd puzzles.