Aliexpress
Click here… to search for Hluru 14 Inch 14 Tone C Key Ethereal Drum on Aliexpress
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
Coupon (155.92 USD): BGMUSIC10
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): BG6f1412, BGa5c96a, BG8b7e53, BGRCT10
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Hluru 14 Inch 14 Tone C Key Ethereal Drum.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).