Where Nature Meets the Built Environment NU-edge® NU-edge® is designed around the striking dichotomy of nature and city life. With towering rooftops, nature-inspired play events, and non-linear climbing paths, this bold play system allows kids to jump into a world of discovery, imagination, and adventure-no matter where they live. Learn more at LittleTikesCommercial.com/NUedgehttp://www.LittleTikesCommercial.com/NUedge