All numbers are in a slide. Slides from left to right. Under number 4 is the free hole. A difficult puzzle, but it can be solved. Assignments on the back of the puzzle. Material acrylic.
Try to open the puzzle by removing the 4 cylinders with the numbers. (2014 is year of design). Inlaid numbers. Materal acrylic.If you have problems to open it, use the green tool.But try to find out why this tool is in the BOX!!!GOOD LUCK!
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