Explore a case study on enhancing public spaces through playful engagement, focusing on a mall escalator installation. Delve into the challenges and design strategies for implementing interactive elements in a public setting with safety constraints. Learn about the successful approach that encouraged escalator usage and improved user behavior through auditory and visual feedback. Gain insights into balancing social limitations and enjoyment to positively influence human behavior in public spaces. Examine the research methodology, including hypothesis testing, qualitative results, and conclusions drawn from this innovative project.