Blot, don't rub, with your eraser. Rubbing colored pencil will do more harm than good, grinding colors into the page rather than removing them. For more control and a cleaner page, press a kneaded eraser like this one on the area and then carefully peel it off, the same way you did with Silly Putty and the Sunday comics as a kid.
Creative Ways to Color Adult Coloring Book Pages. From multimedia works of art to collage_like effects using common household objects, these cool and creative ways to color adult coloring book pages are bound to get you inspired to break out your art supplies and create something beautiful