She purposely left interpretation open, stating, "No matter what I was thinking when I created it, the viewer writes his or her own script making it a far more intriguing experience.
"[3] Marx frequently painted "Felliniesque characters and impressions" in her works, evidenced as her pieces "Hop Scotch" and "Musical Chairs".
As a visual satirist, Marx’s works, paintings and sculptures, showed a sense of the ridiculous and an eye for the bizarre and comedic elements in the human experience.
While living in Mexico City, Marx had a "smash hit" one-person show at the Instituto Nacional de Bellas Artes, for which she was profiled in Time Magazine.
"[3] Art critic Donald Kuspit concurred, stating that her works "have a disturbing poignancy, not only because of their imagery but because of their intense physicality.