Xiaomi 7th Counting Rebound Abdominal Wheel (Banggood, Aliexpress: Battery Button battery LR44 (Without battery), Brand Name Seventh, Package gross weight 1680g, Product name Automatic rebound abdominal wheel, Product size 340mm*240mm*165mm (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($54.65): Cuponation9
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/feV
Old coupons (from the oldest to the newest): BGODFNJ1, BGODFNJ2, BgoFErTaSchInA10, bGhOnEy10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, 13f142, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BG4d9120, BG8ec602, BG8fcd54, 2022ACTIESNL, BGFitness, BGFT666, BG787e9e
(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 Xiaomi 7th Counting Rebound Abdominal Wheel. The lowest price was: $40.3.
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)).