Stikfas is a line of action figures that are highly poseable. However, if you are looking for synonyms for this particular term, there are a few options you can consider. One option might be "articulated figures," which also refers to action figures that have movable parts. Another possible synonym could be "posable figures," which emphasizes the ability to manipulate the figure into different positions. You could also use terms such as "posable toys" or "moveable figures" to convey the same idea. Ultimately, the choice of synonym depends on the context and what specific aspect of Stikfas you are trying to highlight.