章 329: Chapter 329: Defend the Eight Front Teeth (3)_1

"This only requires frequent winding, and it is very precise!" Having explained everything to Shen Songming, if he still produced a subpar product, it would be extremely embarrassing.

Pei Qin had already started tinkering with the musical box, winding it up, and once she let go, the tinkling sound of music began to play.

Last time, she and Shen Songming spent a whole day fiddling with it in the house, not expecting the finished musical box to turn out like this.

"The sound is really nice! It plays music on its own, without a person!" Pei Yuan exclaimed, watching in amazement. "And the flowers on top are spinning too!"

"Barely passable!" Pei Qin listened to the tone and turned the winding key again, letting it continue to play.