I have just checked coupons. The lowest price I could get is 39.09 USD for S109G 3.5CH Beast RC (in Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood (39.09 USD)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Well, is it a good price anyway? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 32.91 USD)
Link: Banggood product page
Price: 39.09 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): Cuponation9, BGMatt2022, BGToys8, BGGutscheine, BG8OFFCOUPON, TTBLACK5, BG589b2e, BG8FORMULAMX
(there’s a little possibility that old coupon will work)
Aliexpress
Click here… to search for SYMA S109G 3.5CH Beast RC Helicopter RTF on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for SYMA S109G 3.5CH Beast RC Helicopter RTF.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).