Watching this video can release the pressure of life and work
Test the hardness of common things! A few very interesting little experiments!
Do not imitate!
The video action content is operated by professionals!

I didn't kill the turtle. It's my pet. How can I kill it?
We can't kill the living tortoise casually, we have to take care of the small animals.
We can replace it with real tortoise shells of the same size bought in the market to see the hardness of the tortoise shells!