You can get Astronaut Galaxy Projector Night Light for $11.88 with coupon (from Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Astronaut Galaxy Projector Night Light Gift Starry Sky Star USB Led Bedroom Night Lamp Child Birthday Decoration Remote Control
Banggood ($11.88)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Good or bad price? Awesome! This price is the best in CouponsFromChina database!
Link: Banggood product page
Price: $11.88
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGa15303, BG589b2e
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Astronaut Galaxy Projector Night Light.
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)).