Xiaomi MITU Kids Sonic Toothbrush (Banggood, Aliexpress: Material Imported DuPont bristles, Waterproof rating IPX7, Rated power 2W, Net Weight 5.3g, Rated voltage 3.7V, Size 21.2x 19.9x 68mm, Handle color blue, Handle net weight 101g, Charging stand net weight 45g, Handle size 31.2x 28.3x 147.3mm (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. 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 and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($52.99): 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/feV
Old coupons (from the oldest to the newest): BGCITYADS2019, BGMi2b, AFfbG10, vipupgrade8, bgshOOp10, bGhOnEy10, BGHB20, BgoFErTaSchInA10, BGSD58965, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10
(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 MITU Kids Sonic Toothbrush. The lowest price was: $34.73.
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)).