Aliexpress
Click here… to search for Creality CR-10 3D Printer 300x300x400 EU Plug Blue [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I have no active coupons for you right now. Sorry, but there’s no price history in my database.
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!
Old coupons (from the oldest to the newest): Wholesale20, bGpAnDacHeCk, Email5, BG3DP09B, BGCR3D10, 7d18f7, BGCREA08, 13f142
(probably won’t work, but you can try them out)
Price history and price alert
There is only one database record (it was for 249.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).