Hi! I'm new to this forum and this subject has probably been spoken about and rehashed again, and over again ... but with regards to the Moebius 1/6 scale B-9 Robot, I just wanted to mention that I discovered something that some builders might be interested in! I was in a Pep Boys just the other day, waiting for my car to get smogged and I was browsing the counters near the checkout stands; they sell a lot of gifts and knicknacks in this area, and I happened upon a motor oil bottle extension. This thing is made of a vinyl or PVC material and is designed to screw onto the neck of a motor oil bottle to help pour oil into a vehicle's oil reservoir with minimal spillage; I am thinking that it takes the place of an oil spout; it was inexpensive - just a couple bucks - more portable than a traditional spout, and easier to store.
And it is practically almost the exact diameter and length of the Moebius Robot arms! That's right! This oil bottle extension has pleats like the model Robot's arms! It is flexible and almost holds any position you might bend it into - I was able to pose it almost like the molded vinyl ones that came with the kit!! The scale of the pleats looks correct (!) to the length of the arms of the model and you can collapse it upon itself, extend it out - it is the same length as the extended model arms - pose it, etc.
There are only two issues with this device in using it as moveable, poseable replacements for the model's supplied arms:
1. In the collapsed position, the "stack height" of this thing is about the same as the model's collapsed arms, but the pleats are just a little thicker because of material thickness (the actual wall thickness of this oil tube) - in other words, the material thickness of this part is just a bit out of scale, but it could work as a replacement. Also, because the wall thickness is a little bit too much, while it seems as though it would actually work OK when collapsed or "folded up" in the retracted position, it tries to expand just a little; in other words, it isn't as neatly folded up as the Moebius-supplied arms.
2. The second issue with using this oil spout as a replacement for the models arms is ... the color!! As far as I can tell, the only colors available are Radioactive Green and Bright Pink-red! If everyone was concerned about painting the Moebius-supplied model's arms, in that the paint will flake or chip off, this thing is way worse. Unless, of course you don't mind that your model would look a bit psychedelic.
I guess in summary, what I am saying is that this auto accessory would make adequate actual working replacement arms for the B-9 Robot, except that it isn't as finely made as the original, and the color is ... gaudy!