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3D Puzzle - Treasure Box & Perpetual Calendar

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3D Wooden Puzzle - Treasure Box

  • Wood Pieces: 123 pcs
  • Assembled Size: 100 x 124 x 85 mm
  • Weight: 800g
  • Estimated assembly time: 5 hours. 
  • Age Range: > 8 years old (Warning: Small Parts Not for Children under 3 years old)

Front: This rotary knob is used to enter the password to open the box. The password is set at the time of assembly. After assembly, the password cannot be changed. A password is a three-digit number. There are 1,000 digits between 000-999. You can set 810 of them as the password, but 190 of them cannot be set, 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 their laser engraved the method of how to enter the password:
- anticlockwise 2 circles to digit 1
- clockwise 1 circle 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 (a ring perhaps?)!

As wax is forbidden on International shipping, we have to take it out if the order is shipped by air. Thanks for the understanding.

3D Wooden Puzzle - Perpetual Calendar

  • Wood Pieces: 26 pcs
  • Assembled Size: 175*90*140 mm
  • Weight: 600g
  • Estimated assembly time: 3.5 hours. 
  • Age Range: > 8 years old (Warning: Small Parts Not for Children under 3 years old)


In theory, this product could show the calendar of all months perpetually, but the dial plate can only be laser engraved from 2018 to 2040. Please take a note.

How to Play:

  1. Rotate the year gear to select a year
  2. Keep the year gear fixed, and rotate the month gear to select a month
  3. Then the Calendar plate will show the Calendar of the month you choose.

As wax is forbidden on International shipping, we have to take it out if the order is shipped by air. Thanks for the understanding.