- Level 5 - Easy
- Level 6 - Tricky
- Level 7 - Challenging
- Level 8 - Demanding
- Level 9 - Gruelling
- Level 10 - Mind Boggling
|Object||open the lock|
|Difficulty||Level 8 - Demanding|
|Brand||Jean Claude Constantin|
|Types||Sliding Pieces Puzzles, European Wood Puzzles, Jean Claude Constantin|
|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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