When children stop playing outdoors, adults lose the vibrant spirit and sense of imagination that ignited their own childhoods. The physical benefits of reduced obesity, stress, and social cohesion among children are replaced by adult health concerns. The cognitive and emotional development that once flourished in outdoor playspaces is stunted by the confines of screens and indoor play. Ultimately, the loss of childhood outdoor play deprives adults of the invaluable lessons they once learned through exploration, creativity, and human connection.