In accordance with some embodiments, a self-expanding, collapsible mechanism (e.g., for expanding an outer substrate or substrates of a display unit) and a display unit comprising at least one self-expanding, collapsible mechanism are disclosed. In one or more embodiments, a self-expanding mechanism is load-bearing. In one embodiment, a display unit may be configured to have at least one load-bearing surface (e.g., supported by one or more load-bearing inserts).