"It has extra pieces in dark grey for prop purposes.... I think?
I enjoyed this build, though at first the many extra pieces confused me. If you look at the promo pictures they are in a dish, so I guess it's meant to be the droid's spares and repairs parts when doing the Empire's bidding....
It's a cute addition to the other droids in my collection. And I had fun building it.
The only downside is that the arms are a bit flimsy when being repositioned but it's not meant to be a toy so it makes sense."