ROKR 3D Wooden Puzzle Mechanical Treasure Box Model DIY Brain Teaser Projects for Adult Kid Age 14+

Features :

• 【Front】This rotary knob is used to enter the password to open the box. The password is set at the time of assembly. It cannot be changed when finished. The password is a three-digit number. You have 810 choices between 000 to 999, But 190 combinations were not available, please refer to the manual for details.
• 【Back】There are two holes in the back that can insert the key, open the box and rotate the key so that the inner tray can open and rise.【Top】Rotate the gear to open a small space at the top.
• 【Bottom】At the bottom you can record the password you set, and there laser engraved the method of how to enter the password:Anticlockwise 2 circles to digit 1; Clockwise 1 circles to digit 2; Anticlockwise 0 circles to digit 3, Then the box will be open!
• 【Inside】There's a little tray inside to keep your little secret or surprise for somebody! You can put in a strawberry or a ring.
• 【Matters Needing Attention】Be careful to connect the parts in a complete and solid way to ensure that it runs well. Don't put it in a wet place.

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