The drawing board comes with a sensitive pen and erase key, which makes it easy to draw and write without any mess. It's just like a piece of paper that can't be used! The drawing tablet is built in a closed button battery (replaceable), which can work for a long time with tens of thousands of erasers! Colorful LCD Writing Board This drawing board writes in color, it likes endless paper, you can draw, write, sketch, jot down, even as a desk memo pad anytime and anywhere. To avoid screen time, this is a perfect game for your kids. 8.5 inch modern display and brighter color, allowing children to display their incomparable imagination.