400 Games Retro Handheld Game Console with Gamepad (Banggood, Aliexpress: 400 Games Retro Handheld Game Console 8-Bit 3.0 Inch Color LCD Kids Portable Mini Video Game Player with Gamepad – Blue (the best price with coupon)).
Check coupons or create price alert down below. You probably want to know what is the 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):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($8.49): BG0ee433
coupon code has to be applied in shop’s 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): BGaa66ec
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for 400 Games Retro Handheld Game Console with Gamepad. The lowest price was: $8.49.
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)).