Our project supports children’s critical engagement with Artificial Intelligence (AI) through participatory workshops envisioning shared public spaces. We ran a workshop with 9-12 year olds (n=7) combining AI, puppet-making, performance and design futuring to reimagine civic spaces. Participants used ChatGPT to visualize changes to local environments, created puppets representing different viewpoints, and performed debates about the proposed changes. Our findings reveal children’s critical engagement with AI as a design tool, their preference for iterative refinement, and their desire for authentic rather than ’AI-like’ content. This work contributes methods for engaging children in civic discussions through making and performing futures. It also demonstrates how these methods can scaffold critical AI literacy.