Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
12 Inches LCD Writing Tablet | 14.33 USD | – |
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (18.21 USD): 8wEbgaInS5
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGHB431, BgcLuBofErtA10, BGAFF10OFF, BGEES08, BGCXY106, 13f142, BGZSF437, BGNZ614, BGNZ814, BG5aa7bb
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for 12 Inch LCD Handwriting Board.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).