small blackboard drawing board children's writing board lcd handwriting board painting painted sketchpad toy erasable blackboard wall independent station

[blue] hd eye-protective screen [one-click clear] [smart color screen]] [pink] hd eye-protective screen [one-click clear] [smart color screen]]

special battery for color drawing board [large capacity]] 12-inch + simple function drawing board 15-inch + simple function drawing board 18-inch + [one-click clear] + [one-click lock screen] [anti-accidental deletion]] 20-inch + [one-click clear] + [one-click lock screen] [anti-accidental deletion]]