Simple Puzzle Box

A simple puzzle box, which can be opened by using centrifugal force.


Prerequisites:
It is needed to add 2 nails with the diameters indicated in the picture:
nails head max diameter: 4.8mm
inside nails max diameter: 2.3mm

Mount steps:

1 - Cut the nails to get a max length of 10mm. Next, sand the nail heads until getting the correct diameter.

2 - Put the first nail in place (left side or right side, start with the one you prefer)

3 - Put some strong glue on the little part 2.