I mean look at the damned things. They’re almost as large as those Coleman containers that was all the rage when I was in high school. The droids shake their heads and emit bleeps and bloops, but damn they’re huge.
And this, I believe, is the palette swap = $$$ formula at work:
The droids are also quite detailed, so I’m thinking these are collectibles with some functionality. Here’s a closer look at the R2D2 hub: