IRobot Vacuum and Mop Review This robot vacuum is not too scared to climb the stairs, unlike some other models. However, like any mop and vacuum it is prone to getting blocked by debris, such as the stray tennis shoes ribbons, beads or play jewelry, yarn, or other stray objects. https://robot-vacuum-cleaner-blac48632.bloggerchest.com/27589958/why-is-best-rated-robot-vacuum-so-effective-in-covid-19