$97.74 – Motor: 1106 brushless motor, Remote controller: 2.4GHz mode 2, Item weight: 60g, Material: ABS, Model name: K110S, Item dimension: 245 * 48 * 77mm (with blade), Item type: RC helicopter, Charging Time: About 50-60 minutes, Channels: 6 Channels, Gyroscope: Six axis, Blade Diameter: 245mm, Battery: 3.7V 450mAh battery, Working Time: 5-7 minutes, Body Length: 240mm, Color: Red, Control Distance: About 120m, Tail Rotor Diameter: 36mm, Brand name: WLtoys XK, Transmitter battery: 6 * 1.5V AA battery (not included).
ATM you can buy XK K110S Brushless 3D6G RC Helicopter BNF with 3 Batteries for $97.74 (in Banggood). You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($97.74)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Is it expensive? From what I can see this price is higher than average price ($85.04).
Link: Banggood product page
Price: $97.74
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): Cuponation9, BgGoodie9
(you can check these old coupons out, but these probably won’t work)
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.
Price history and price alert
Do you need price history chart (for all/most countries) for XK K110S Brushless 3D6G RC Helicopter BNF with 3 Batteries? There we go. The lowest price was: $72.99.
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)).