Just check coupons out (with price alert and history). What is best price?
Battery: 3.7V 75mAh LiPo battery, Flying time: around 10 minutes
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
Do you need price history chart (for all/most countries) for Induction Colorful Flying Ball Helicopter? There we go.
Price records source(s): Gearbest
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)).