Aliexpress
Click here… to search for COOLBANK Model M60W Magach3 1/16 2.4G RC Main Battle Tank on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (241.14 USD): BG40a381
Coupon (251.74 USD): BGRCCar5
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGCAPITALOS8, BG5RCCar
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for COOLBANK Model M60W Magach3 1/16 2.4G RC Main Battle Tank.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).