Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – HAYEAR 14MPx Full HD Digital Magnifier Microscope [EU] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGGines, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BG20236Tool
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – HAYEAR 14MPx Full HD Digital Magnifier Microscope [EU] (-3 USD)
Price history and price alert
Price history (for all/most countries) for HAYEAR 14MPx Full HD Digital Magnifier Microscope is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).