This is a type of impossible object, so called because there appears to be no way to separate the two pieces. To ...
Puzzles
The vast majority of the puzzles are mechanical puzzles rather than word or mathematical puzzles.
This puzzle was designed by Robert E. Sandfield and crafted by Perry McDaniel. It is a good example of an ...
This puzzle was designed by Robert E. Sandfield and crafted by Perry McDaniel. It is a good example of an ...
This puzzle was designed by Robert E. Sandfield and crafted by Perry McDaniel. It is a good example of an ...
This is an example of an impossible object, because it is so hard to envisage how these balls within balls could ...
This is an example of an impossible object, because it is so hard to envisage how this complex sphere with the ...
This is an example of an impossible object, so called because there appears to be no way to separate the two ...
This puzzle made by Lagoon Games is a good example of an impossible dovetail joint. This is a type of impossible ...
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The clear plastic disk swivels round on the key ring. The puzzle is to remove the coin that is trapped inside the ...
The wooden boat has a clear celluloid cover and inside are two ball bearings. The puzzle is to get a ball into the ...
The puzzle is to open the match case.The metal box has a corrugated striker on one end. On the lid are the words: ...
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