The writing board has an easy-to-read LCD display, can write colored text with the supplied pen, quickly erase with the push of a button and also lock with a slide switch. A practical, funny, original, but also simple writing board. it is also fun for children as a magic drawing board or magic board Say goodbye to paper digital drawing board is 159g, writing surface is 175 mm x 125 mm. In our opinion, 8.5 inches is ideal for carrying in a backpack. For one-off, spontaneous noting / drawing etc. is ideal, good for saving paper and also extremely practical for the desk and for on the go. The display is supplied with power by a CR2016 button battery, no additional power is required for the writing process, and consumes hardly any power. (Does not include battery) Product Good idea for children childrens writing board is committed to saving more paper and color. With a tablet, children can spend a few hours of beautiful painting time on their own, thus fully develop their interest in painting.