Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
1x Storage Bag, 2x Key, Package Contents: 12x Lock Pick, 1x Tweezers, 2x Tension Wrench, 1x Transparent Practice Padlock
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Price history and price alert
Price history (for all/most countries) for LOCKMALL S-399202 Lock Pick Training Tool Set is here.
Price records source(s): Gearbest
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)).
I got $8.21
It’s working for me. Maybe there’re some country restrictions