Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (149.26 USD): BGAFF10OFF
Coupon (156.84 USD): 7bcdf9
(CouponsFromChina.com tip: you should apply the coupon in your 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): e2bcea, TTxBG10, KevinTalbot, bgssaff9, AFfbG10, BGFY06RC, 502C6B, BGBFAFF2019, BGCITYADS2019, bGpAnDacHeCk, BGVDay10%off, BGApr12pro, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGRC902, BgoFErTaSchInA10, BGHALLOWEEN, BgcLuBofErtA10
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for FEIYUE FY06 RC Truck.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).