Crazy about bubbles!
It was blown again today! Early on, the first bell rang. Unfortunately, who also blew the retreat. So frantically blow through to the next one.
Along with @ellesvandenbroek I formed a beautiful bladder ensemble. Below are the results of a sensitive bladder.

I'm not really the photographer who is handy in setting up a camera, so I did it with my phone in macro mode...
To get a nice product I put some plastic wrap underneath. It looks like a frozen substrate now.