Threezero Teases Bioshock 2 1/6th Scale Subject Delta and Little Sister Latest News January 19, 2018 Following their Bioshock 1/6th scale Big Daddy and Little Sister figures (see HERE), Threezero will be releasing Subject Delta and Little Sister as seen in Bioshock 2. Below is a teaser of the pair. Expect further details in the weeks ahead. Keep up with all the latest toy news by following Figures.com on Facebook and Twitter! To buy action figures, take a look at Hobby Link Japan, BigBadToyStore.com, TheToySource.com, Toynk.com, BriansToys.com, ToyWiz.com, and EntertainmentEarth.com.