PETONEER PBL010 Electric Cat Companion Ball Toy (Banggood, Aliexpress: Using Time 5 Hours, Weight 100g, Battery Capacity 320mAh, Color White / Green, Diameter 71mm, Material ABS, Power Supply USB Charging (the best price with coupon)).
Price history, coupons and price alert are available on this page. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($17.10): BGAFF10OFF
2. ($18.00): 13f142
put item in your cart and apply coupon code there 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): BGCDKLU, BGCITYADS2019, AFfbG10, BGPJPP, BGHOMEG12, BGMPB2020, bGhOnEy10, BGJJCWJP, bgshOOp10, BGHome15%, BgcLuBofErtA10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for PETONEER PBL010 Electric Cat Companion Ball Toy. The lowest price was: $13.99.
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)).