Material: high-quality ABS Design: Powerful, one button switch, one button clear, durable, and long service life. Children can use it with confidence This liquid crystal pen board has a matte effect, which can give a true paper-like feel when writing or painting, and can cultivate children's interest in painting. The weight of the drawing board is very light, making it feel easy to use and easy to store when not in use. You can replace the battery, which can be purchased in ordinary stores. For children who like drawing and writing, this is a good tool and a good gift for children