Love these. Had the original one as my desktop BG for a long time a couple years ago. Looks like I have a new BG now
One thing, to be nit picky, is the gear train to the generator. I'm pretty sure worm gears are only meant to work with the worm being the driving gear. They will lock up if run in reverse because of the angle between the teeth.
Also, on full view, you can notice that the two gears are not meshing, but crashing through each other
Picky stuff....image quality is top notch!