The Cloud City Playset was offered in 1981 exclusively through Sears. This "playset" consisted of two cardboard pieces: the backdrop and centerpiece. Holes were die-cut into the floor of the playset to accommodate plastic footpegs that allowed the figures to stand unassisted. Due to its flimsy construction and lack of real play value, this set was basically just a backdrop for displaying the four included action figures.
Sears had a series of exclusive playsets:
The playset's backdrop is die-cut from a single sheet of cardboard. A second piece of cardboard folds into the centerpiece that constitutes the "carbon freeze chamber".