Watching this video can release the pressure of life and work！<br />Test the hardness of common things! A few very interesting little experiments!<br />Do not imitate! <br />The video action content is operated by professionals!<br /><br />I didn't kill the turtle. It's my pet. How can I kill it?<br />We can't kill the living tortoise casually, we have to take care of the small animals. <br />We can replace it with real tortoise shells of the same size bought in the market to see the hardness of the tortoise shells!
