C437 Jindan

Jia Peng was obviously not interested in the ball at all. He casually glanced at it, took the ball from Tang Yan's hand and placed it on his nose to smell it, then smiled and shook his head: "I don't feel anything special about it, it's just a normal steel ball, right? However … It's not very heavy, and it doesn't seem to be made of iron. "

Tang Yan replied with an "Oh". Originally