Just check coupons out (with price alert and history). Do you want to know what the best price is?
1x Upgraded Hubsan X4 H107 RC Quadcopter, 1x transmitter, 1x USB Charging Cable, 1x 3.7V 240mAh Li-Po Battery, 1x Extra blade set
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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($31.49): AFfbG10
2. ($31.49): affbg10
3. ($32.54): aff7off
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): rchobbies8, PCNETWORK, e2bcea, 502C6B, TTxBG10, BGss9%rc, bgssaff9, BGBFAFF2019, BGCITYADS2019
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Hubsan X4 V2 H107L Upgraded Drone RTF? There we go.
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)).