I try to keep my little girl, age 1.5, away from the scene - not only because the impressions might be disturbing to her, but also for her own safety.
You are right, you cant get that horrific machine at your local gadget-dealer, yet. But the idea of carnivorous robots is not that far from reality.
The design duo James Auger and Jimmy Loizeau has developed some prototypes of bio-energy powered devices like a watch, feeding from flies it catches with a sticky tape or a machine stealing flies from a spider's web. They call them Carnivorous Domestic Entertainment Robots.
These guys might be creative, but they are definitely nuts. Or as the Treehuggers write in their review "Brilliant - completely disgusting, but brilliant!" Yep.