21-25/52 Elements Puzzle Ring

This is a VERY late challenge ring, for the Japan Relief elements ring.

I'm still working on figuring out a mechanism to keep the pearl in place once all the rings are together, either a screw top or button mechanism.

21 & 22

Fire and Air

23

Water

The pearl needs to be removable for reasons shown below

I'm thinking up a creative mechanism to do so. 

24

Earth

21-24

Set

25

With our Powers Combined...

All 5 join together to make one ring.