8.5/10/12/16/20-inch lcd handwriting board children's electronic drawing board hand-painted small blackboard lcd writing board

sky blue pink black white blue green red

8.5-inch monochrome handwriting 8.5-inch color handwriting 10-inch monochrome handwriting 10-inch color handwriting 12-inch monochrome handwriting 12-inch color handwriting 16-inch monochrome handwriting 16-inch color handwriting 20-inch monochrome handwriting 20-inch color handwriting