What challenges does the political participation of children pose to the Philosophy of Childhood? What challenges does the Philosophy of Childhood pose to children's political participation? This text is inspired by the idea that “research is not about enumerating situations, but making researchers lose their sleep”. It is divided into two distinct parts. In the first, we introduce the theoretical framework that orients our research group and our work with children in the philosophical research community. We posit a link between (...) listening to children's voices, the conditions of listening, and the location of their political participation in public space. The second part is comprised of a creative illustrated narrative in the form of a dialogue. From the coast of what could be called the territory of political participation, two characters - Sentinel and Walker - discuss the waves of children that crash onto the territory. To what extent does creating space and time for listening to children open polyphonic movements and enable the construction of new forms of polis: poly(s)phonies? In what ways does the Philosophy of Childhood challenge itself in the creation of poly(s)phonies where the participation of children sets the tone? In what ways does the Philosophy of Childhood in turn challenge us to create poly(s)phonies? (shrink)