Mechanical puzzle
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A mechanical puzzle is a puzzle presented as a set of mechanically interlinked pieces in which the solution is to manipulate the whole object or parts of it. While puzzles of this type have been in us
Mechanical puzzle design by W. Altekruse, patented in 1890. The puzzle consists of twelve identical pieces which must be fitted together.
Disassembly puzzles
The Chinese wood knot, a notorious interlocking puzzle. In this particular version designed by Bill Cutler, five moves are needed before the first piece can be removed.
A disentanglement puzzle. The object is to remove the string with the two balls from the wire construction.
Baguenaudier
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Baguenaudier, also known as the Chinese rings, Cardan's suspension, Cardano's rings, Devil's needle or five pillars puzzle, is a disentanglement puzzle featuring a loop which must be disentangled from
Mechanical puzzle
…which only one bit changes from one code word relative to its immediate neighbor. A noteworthy puzzle, known as the Chinese rings, Cardans' rings, the Baguenaudier or the Renaissance puzzle was mentioned in circa 1500 as Problem 107 of the manuscript De Viribus Quantitatis by Luca Pacioli. The puzzle is again…
A baguenaudier
A metal version of the puzzle