This lecture explores Dan Graham's Children's Pavilion at Chambres d'Amis (1986), a large, finite permutation of specific, discrete variants. Graham's work blurs the line between sculpture and architecture, creating a dynamic space for children to play, challenging traditional notions of art in public spaces. The pavilion, designed in collaboration with Jeff Wall, embodies a vision of plurality and social connection, inviting intergenerational interactions and reflections on childhood, universal themes, and social hierarchies. Through a combination of glass, mirrors, and reflections, Graham's design fosters a fluid and interactive environment, where visitors become active participants in the art experience.