The unique cultural expressions present during the Festival of Fools in France include street performances, clowning, and satirical theater. This festival celebrates humor and creativity, allowing artists to engage in playful antics that challenge societal norms and conventions. Participants often wear costumes and masks, enhancing the celebratory atmosphere. The festival emphasizes freedom of expression and community involvement, making it a significant cultural event that brings joy and laughter to participants and spectators alike.