“First-of-their-kind” transgender dolls — complete with removable genitalia — will debut in some Minnesota classrooms this fall to kids as young as 4 years old. The paper dolls, with gender-neutral names like “Sam,” “Rory,” “Avery” and “Parker,” have removable internal and external genitals, along with more than 100 interchangeable pieces of clothing, accessories and hairstyles — like a trans Mr./Mrs. Potato Head. The goal is for kids to “learn about the different options that exist for who they can be,” according to a therapist at the University of Minnesota Medical School, which spent over half a decade developing the controversial...