Puzzles by Type
Slocum's Classification is probably the most widely used classification for mechanical puzzles. James Dalgety has also published an even more detailed list of classification which he uses to group puzzles in his collection. See his classification page at The Puzzle Museum website.
We've sorted puzzles into more generalised groups to help you find the puzzle you're looking for.
250 moves to open... that means another 250 moves to close again. And...$56.00
You are given not just one but two keys to open this puzzle padlock, a...$146.00
How can this mysterious lock be opened? Is the key the solution?$16.50