|Object||open the lock|
|Difficulty||Level 8 - Demanding|
|Brand||Jean Claude Constantin|
|Types||Jean Claude Constantin, European Wood Puzzles|
|Dimensions||10.5 cm x 7 cm x 3 cm / 4.13 in x 2.76 in x 1.18 in|
A fascinating lock made from two contrasting wood colors. This lock doesn’t need a key to open. Instead, your task is to move the slider horizontally and pull the platform so you can open it. Over 300 moves are needed to open this sequential movement puzzle designed by the German Jean Claude Constantin.
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3 out of 5 stars
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Fairly well constructed, though my puzzle did come assembled incorrectly. One of the layers was flipped which made the puzzle unsolvable. Luckily I was able to unscrew the pin and flip the layer around. I'd say this isn't an 8 difficulty. I'd say 5, maybe 6 if you've never done an incremental puzzle like this. There's not really a chance you'll make the wrong move, it's fairly straight forward. Still enjoyable.