HUXTER LABS Centrifuge Prototype 2

This is the second showable prototype of my new Centrifuge. (It is probably Prototype 8 in reality.)
This has a whole new battery setup, now using a 9V instead of two AAAs.
It has a screw to connect the bottom to allow change of battery easily.
I moved the switch due to wire length and the way the metal battery connectors are configured.
I added a motor hub with gear teeth in order to allow me to make different spinner heights, in case I need talker buckets for taller bottles.
It still gas fold-down RACCS legs, and the bottle buckets can be easily removed if I need bigger holders or whatever.