Boogie board pen(Portable 8.5" LCD Screen Graphics Drawing Pen Writing Tablet Board with Stylus Handwriting Pads Electronic Tablet)

My daughter lost a pen of boogie board. So I made one.
I hope this can help you.

I bought a boogie board at aliexpress.
This is the link.
https://www.aliexpress.com/item/Portable-8-5-LCD-Screen-Graphics-Drawing-Pen-Writing-Tablet-Whiteboard-Board-with-Stylus-Handwriting-Pads/32819660527.html