
“Young pawns thrust into pulsating cages of horror in a sadistic experiment!” The Wikipedia article on this 1958 or 1960 oddity (the article can’t agree with itself) suggests that it is one of those rare examples of a mad science movie with a female antagonist. This poster is reblogged from 15 November 2013 post at Infernal Wonders. I originally found it at the tumblr Monsters Forever.