GRANNY'S CHALLENGE is categorized under PHYSICIANS & SURGEONS: EQUIPMENT & SUPPLIES (WHOL) and located at 5836 Lake Ln. in or near the Sturgeon Bay, WI area. Find additional information including website, e-mail, map, and directions - OriginalYP.com®. Find additional PHYSICIANS & SURGEONS: EQUIPMENT & SUPPLIES (WHOL) at MedicalYP.com ®.