Is the Amazon Exclusive 3-Pack of Droids 6" or 3.75" scale? I took a look and didn't spot any discussion about them in either section?
6" TBS. Hasbro has actually done a fairly decent job with their official photography so that you can tell the various line offerings apart. The 6" TBS figures have a small STAR WARS - THE BLACK SERIES logo in the lower left hand corner, and are shot against a black/grey wash background. The Vintage Collection images have the same background as The Black Series, but feature a Vintage Collection banner across the top of the image. And the SOLO line figures are shot against a white background.