The designer of this safe is LEGO Masters @JKBrickworks. The copyright of the work was purchased by Cada, and finally mass-produced.
This work restores the working principle of the combination lock of the safe very well, and you can even modify the password by yourself. It can combine hundreds of passwords.
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00:00 Overview
00:45 How It Works
02:08 Design Proposal
03:25 Hundreds Of Password Settings
04:26 Summary/Notes etc.
05:51 Unboxing