Aliexpress
Click here… to search for JJRC H37 Mini Baby Elfie Drone on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (17.59 USD): BGSS10%SW
Coupon (18.53 USD): bGhOnEy10
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): aff7off, d8f2bb, TTxBG10, BGJJRC10, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BGAFF10OFF, bgshOOp10, BGH37US, BGRC902, BGH37ES
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for JJRC H37 Mini Baby Elfie Drone.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).