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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 so look for the + sign and expand the sub categories under this heading.

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  1. Hanayama Trinity puzzle

    Hanayama Trinity - a very hard interlocked puzzle

    A very elusive design has been created by interlocking three pieces that do not have any order to their shape. This is a hard one! Learn More
    $17.27
  2. Hanayama U&U bolt brainteaser

    Hanayama U&U bolt brainteaser

    Can you separate the two U shaped bolts? Can you assembled them again? This looks like a puzzle made of spare parts; two bent bolts and four nuts! Learn More
    $15.45
  3. Hanayama Cast Rotor puzzle by Kyoo Wong

    Hanayama Cast Rotor puzzle - Latest in Hanayama Range!

    The puzzle is to separate the two pieces and put them back together again. Hanayama is known worldwide for challenging puzzles and quality manufacturing and this precisely engineered puzzle is no exception.

    Learn More
    $17.27
  4. Cast Delta Hanayama take apart puzzle

    Cast Delta Hanayama take apart puzzle

    The Delta puzzle is formed by joining three separate pieces that mesh with each other. Once you've figured out how to separate the pieces, can you put them back together again? Learn More
    $15.45

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Metagrobology is the study of puzzles.
A metagrobologist is a person who studies puzzles.
Metagrobolise means to puzzle, mystify, baffle or confound.

The words are uncommon in everyday use and the only reference in print that I could find was this quote from Rudyard Kipling's Stalky & Co in 1899 “It’s the olive branch,” was Stalky’s comment. “It’s the giddy white flag, by gum! Come to think of it, we have metagrobolized ’em.”

More recently many puzzlers have used the word metagrobologist to describe themselves. Wikipedia credits the American wire puzzle designer Rick Irby with first applying it to a puzzler in the 1970's but that's open to argument.

A search of the Oxford English Dictionary show no listings for either metagrbology, metagrobolise or metagrabologist so it seems the word is still puzzling us!

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