Mechanical Safe 3D Wooden Puzzle by UGears order

UGEARS SAFE

UGears Wooden Safe is your master training tool that will help to break into the security business. This UGears safe construction kit allows you to build your own safe featuring a real working combination lock and is perfect for storing some of your most precious small items. Follow the steps in UGears safe instructions to master your lock manipulation skills. Learn how the tumbler wheel packs, drive spindles and fences order operate and maybe practice a little safecracking on the side (just for fun, of course).

Rules of the safe opening:
At first you should renew code lock: twist the knob safe counterclockwise (left) to one-two turns. You can now dial the code:
1 - Scroll the knob counterclockwise (left) to the first digit from 1 to 9. Stay on it.
2 - Now turn the knob clockwise (right) to the number zero. After passing zero continue to twist the handle to the right to the second code digits from 1 to 9. Stay on it.
3- Again turn the knob counterclockwise (left) to the third digit.
If the combination is correct, your safe clicks and opens itself on the third digit.
(Briefly rules: twist left to the first digit, then right to the second zero digit and then left of the third digit).

To re-close the safe - close the door, scroll the knob counterclockwise (left) - the lock closes itself.

Self-assembly: No glue required