El juguete rabioso is a novel written by the Argentine writer Roberto Arlt. The story follows the life of Silvio Astier, a young man who works as a clerk in a hardware store in Buenos Aires. Silvio is a disillusioned and bitter individual who feels trapped in his mundane existence.
One day, Silvio decides to rebel against society and embarks on a series of misadventures that lead him to a life of crime and violence. He becomes involved with a group of anarchists and starts committing robberies and other illegal activities.
As Silvio's criminal activities escalate, he becomes consumed by a sense of power and freedom that he has never experienced before. However, his actions also lead to his downfall, as he is eventually caught by the police and sentenced to prison.
Throughout the novel, Silvio grapples with his own sense of identity and purpose, as he struggles to find meaning in a world that seems devoid of hope. The novel is a powerful exploration of the human condition and the consequences of rebellion and defiance.