Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
RGT EX86170 Challenger 1/10 2.4G FWD/4WD RC Car Crawler Two Speed Climbing Off-Road Truck Vehicles Models – Green
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):
Banggood
Banggood warehouse is located in Europe 
. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Uhm… There’s no price history (in my database) for this product right now.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
1. (26.9.2023, $393.75): BG7d3eb5
Item: RGT EX86170 Challenger 1/10 RC Crawler without Battery
Countries: CzechRepublic, Hungary, Poland, Slovakia(SlovakRepublic), Slovenia
Old coupons (from the oldest to the newest): BGToys8, BGSaleFeb8, BGSaleAD, BGMatt2022, BGcd818c, BGMARCHSALE, BG94f669, BG589b2e, BGAUGUST8, BG5RCCar, BGCAPITALOS8, BGCOUPERT8, BGRCCar5
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – RGT EX86170 Challenger 1/10 RC Crawler without Battery ($436.99)
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: $404.79.
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)).