![File:Fit used Tennis balls into the foots of the Student's chairs for noise reduction at the JP elementary school.jpg - Wikimedia Commons File:Fit used Tennis balls into the foots of the Student's chairs for noise reduction at the JP elementary school.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6a/Fit_used_Tennis_balls_into_the_foots_of_the_Student%27s_chairs_for_noise_reduction_at_the_JP_elementary_school.jpg)
File:Fit used Tennis balls into the foots of the Student's chairs for noise reduction at the JP elementary school.jpg - Wikimedia Commons
Tennis Ball Hits The Ground (Version 2) [Hit Hitting Bounce Bouncing Court Match Game Noise Clip] [Sound Effect] - song and lyrics by Finnolia Sound Effects | Spotify
![Tennis balls provide a soft & easy way to solve classroom chair & desk noise. | Diy inspiration, Recycling, Classroom chairs Tennis balls provide a soft & easy way to solve classroom chair & desk noise. | Diy inspiration, Recycling, Classroom chairs](https://i.pinimg.com/736x/27/12/fb/2712fbfabac1820ef1712624560ba38f--the-chair-my-dad.jpg)