$10.06 – DC5V ESP8266 DIY Electronic Kit Mini Weather Forecast Clock Kits OLED Display Connect with Shell DIY Soldering Project.
According to my DB the lowest price is $10.06 for DC5V ESP8266 DIY Electronic Kit Mini Weather Forecast Clock (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon and price update (UTC):
Banggood ($10.06)
Banggood warehouse is located in China. I think you want to know if the price is good. The average price for this item is $11.66, so I think it’s a good price! You can get coupon down below.
Link: Banggood product page
Price without coupon: $10.59
1. ($10.06): BGCOMDIY5
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for DC5V ESP8266 DIY Electronic Kit Mini Weather Forecast Clock. The lowest price was: $9.99.
Price records source(s): Banggood
Click on image to enlarge. 
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)).