You can create price alert here, copy coupons and view price history. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
eSUN® PLA-LW 3D Printing Material 1.75mm 1KG 2.2LBS 3D Printing Filament Light Weight foam Material for Aircraft Models
Banggood
Banggood warehouse is located in Europe 
. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($9.90): 3f2069
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG265360
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for eSUN PLA-LW 3D Printing Material 1.75mm 1kg [EU]? There we go.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for eSUN PLA-LW 3D Printing Material 1.75mm 1kg [EU]](https://couponsfromchina.com/pricehistory/History40107.png "eSUN PLA-LW 3D Printing Material 1.75mm 1kg [EU] price history")
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).