Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Weight 80g, Model XT28-5001, Material Polyethylene Polymer, Diameter 8.8cm, Color Black
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($13.65): Cuponation9
2. ($13.80): TTSUMMER8
3. ($14.10): BG00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGPETXSX, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGWEQOAQ, BGWKPJP2, BGXXXYY, BGBAPOHG, BGBBJM, BGVCZJP, BGPJPP, BGCLJP, BGGWJJP, BGCWQJP, BGDQQDJP, BGHOMEG12, BGDSXAJP, BGDTJJP, BGGQ499JP, BGAFF10OFF, bGhOnEy10, BGWWWJP, BGXMDQJP, BGJJCWJP, BGHome15%, BgcLuBofErtA10, 13f142, BGCuponation10, BGHONEY2110, BANGGOODSD, 00c906, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, BG1efeb0, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for XiaoShouXing Leaking Food Dog Vocal Ball Xiaomi Youpin.
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)).