Chew Stixx Pencil Toppers | Textured Pack of 2 | code: ST25 | Do you know kids who chew the ends of pens or pencils? These great new pencil toppers are designed to be chewed! NO MORE yucky pens and pencils. If your child bites, chews, or grinds, give them something safe to chew on. It increases attention, lowers anxiety levels, and has been proven to improve concentration skills in children constantly seeking sensory input.