Viare Electric Eraser Cleaner Kit with 20 Refills and brush for Colored pencil -Battery Operated Red Easy Operation - Simple push of the button and a light touch are all required to remove marks. Requires two AAA size batteries (not included) Uses soft white eraser that erases well and does not tear up paper,great for Kids artist student who love draw Offers precise control and ideal for drafting, drawing, architectural plans, arts and crafts, etc. Wide Range Use-Ideal for artists,draftsman, animators and architects, also,nice for those for those who have issues with their hands.