Aliexpress
Click here… to search for Xiaomi Mijia 26-in-1 Hidden Screwdriver Kit on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (40.79 USD): BGherra
Coupon (40.79 USD): BGScrd15
Coupon (40.79 USD): BGScrdR15
Coupon (43.19 USD): BGAFF10OFF
Coupon (43.19 USD): bGhOnEy10
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): bgsport, 20tools, 502C6B, e2bcea, BG1534, TS15prime, BGNewpart, BG2020NS, BGVDay10%off
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Mijia 26-in-1 Hidden Screwdriver Kit? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).