Join Big Brothers Big Sisters of South-Central PA for a rooftop rappelling adventure! Brave the 18-story descent down the face of Market Square Plaza (17 North 2nd Street) in downtown Harrisburg on October 10, 2025. Register for Over the Edge and rappel from the roof to raise funds and awareness for Big Brothers Big Sisters’ one-to-one youth mentoring program. Your support defends the potential of youth by providing children with a much-needed mentor, a Big, to help guide them through life’s challenges.