Material: ABS, Battery For Transmitter: 6×1.5V” AA battery(not included), Frequency: 2.4G, Channal: 4CH, Size: 46×12.5×11.8CM, Color: Orange and Green, Running speed: about 30kmh, Electronic, Charging Time: about 4 hours., Package Size: 49.2×18.1×19.9CM, Voltage of battery: 7.4V, Serviceable time: about 5 to 6 minutes, Input voltage of charger: 100V-240V, Operation distance: about 100 to 150 meters, Battery For Boat: 7.4V Li battery(1500mAh) (included).
Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($56.73): bGhOnEy10
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
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:
Old coupons (from the oldest to the newest): BGplfeilun, 75d037, aff7off, TTxBG10, BGss506, bgssaff9, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BG6e8fe5, BG00eb63
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Feilun FT009 Racing RC Boat? There we go. The lowest price was: $43.99.
Price records source(s): Gearbest, 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)).