Review on 🎨 UPINS 12-Piece Set: Watercolor Painting Markers for Vibrant Artwork by Carla Anderson

None of them can be unscrewed. The soft plastic broke before the threads parted. I know they need to be liquid tight, but I don't think they need to be made to an interference fit tolerance. Also, I don't know what kind of gorilla they hired to put this all together. They are fixed like super glue. Destined to be dry forever, with no liquid and no hint of color. I sent them straight to the trash can. Perhaps they can be shredded to be used in a recycled plastic park bench or playground mat, and eventually serve a useful purpose. Note to others: these pins usually have left-hand threads (i.e. the fancier mysteries of the universe, IMO). I tried both directions and they just stuck