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Puzzle Pens
Above:Two examples, one blue and one yellow.
Click a thumbnail to see its larger version and description.
These 14cm 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.

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Thank you to the following people for their assistance in helping collect the information on this page: Sandy, Arnoud Blees. If you have any information or images that you would like to contribute to this entry, please click the apropriate add () or edit () icon above, or use the following links to modify this item, add a recent sale price or to add a new link.

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