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1 Reviews
3 out of 5 stars
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Product Information

ObjectArrange the pieces to fit flush with the frame.
DifficultyLevel 9 - Gruelling
BrandJean Claude Constantin
TypesJean Claude Constantin, European Wood Puzzles
Dimensions26.1 cm x 6.2 cm 0.9 cm / 10.3 in x 2.4 in x 0.4 in

Product Description

A lovely puzzle for musicians and pianists. The object is to arrange all the keys so that all the pieces are flush with the piano frame.  There are 17 pieces to this puzzle.

Made in laser-cut wood by Jean-Claude Constantin. Jean-Claude Constantin lives in Germany, where he designs and manufactures many different wood and metal puzzles, as well as magic tricks and other intellectual toys and games.

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3 rating

1 Reviews

Disclaimer: These reviews are written by our customers. Puzzle Master makes every attempt to keep these posts informative and relevant. If you find a post objectionable or inappropriate, please let us know by sending an email to

    On Saturday November 2nd   Andrew Parr wrote,
I am a little confused about this puzzle. Not that it's difficult. Actually, it's pretty easy to solve (certainly not a level 9). There are only 17 pieces, and I have already found 3 different ways to get the pieces to fit flush with the frame. However, there is no indication in the packaging (no instructions) on which assembly is the correct one. Also, the puzzle was shipped to me in shrink wrap assembled incorrectly (see photo of product). I assume this was intentional. I bought this because I am a music teacher. I know how the piano keyboard should look (the black keys alternate in clumps of 2s and 3s), and I still have come up with two possible correct solutions. I prefer puzzles with one correct answer. Regardless, it looks very nice and I will be taking this to my classroom. I don't think it's worth $35, but music teachers may appreciate it.