首页标题：飞速Bouncy

首页关键词：classroom noise monitor, bouncy balls, noise level meter, classroom management, free teaching tool

首页描述：Bouncy Balls is a free interactive tool that monitors and manages classroom noise levels. Perfect for teachers seeking to maintain an optimal learning environment.

网站简介：

Bouncy Balls is a free interactive tool that monitors and manages classroom noise levels. Perfect for teachers seeking to maintain an optimal learning environment.