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Puzzle Pens
Above:Two colours
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These 140 mm puzzle pens are identical except for their base outer colour and the colour of the missing tile.

The year given here is an upper bound. This puzzle was shown in "The book of ingenious an diabolical puzzles" from 1994.

Links

Contributors

Thank you to the following people for their assistance in helping collect the information on this page: Sandy, Arnoud Blees.

Collections

This puzzle can be found in collections of these members:

wilelsa23: My Collection
Ed Cambridge: My Collection
Christoph Lohe: My Collection
Adam Zamora: My Collection
Jeff Goetz: My Collection
PuzzleManiac: My Collection
LeifEricson: My Collection
Michael: My Collection
mamessing: My Collection
kastellorizo: My Collection
S.Rubiks: My Collection
snake solvers wish list: My Collection
nate2007: My Collection
ptrsdboy: My Collection
Andreas Nortmann: Andreas' collection
JasonSmith: My Collection
leopulga: My Collection
Olivér Nagy: Oliver's collection
TylerMcDaniels: Tyler's Collection
kastellorizo: My Collection


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