All the products should be used by the aged above 6 years old., Note: This product included small parts and pay attention to not to swallow it., Material: plastic, Receiver size: length: 3.6cm, Transmitter size: heght: 23.5cm width: 13cm, HSP 2.4G 3CH transmitter for all rc car and boat, Suitable: All rc car and boat.
Just check coupons out (with price alert and history). You probably want to know what is the best price?
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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($16.10): BGbed80d
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGadfc29, BG1efeb0, BG1f5d9e
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for HSP 2.4G 3CH Transmitter For RC Car Boat. The lowest price was: $16.1.
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)).