Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
3D Print Moon Lamp 16 Colors 8cm 15cm 20cm Night Light USB Rechargeable Starry Sky Moon Decoration Lights Touch Remote Control | $17.91 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Battery capacity: 300mAh, Bulb: 1 white LED light and 1 yellow LED light, Charging time: about 2 hours, Material: PLA, Power supply: USB, Working time: about 6 hours (depends on brightness)
Banggood
Banggood warehouse is located in China. Coupons for Moon Lamp USB Night Light 15cm? Nope, there’re no coupons in Banggood.
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): TTxBG10
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Moon Lamp USB Night Light 15cm.
Price records source(s): Gearbest, 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)).