Geek my class — Bouncyballs.org is a noise meter for your class....
Time to Talk Tech : Great way to visually show noise in your classroom (or home).
Bouncy Balls Noise Management Tool! - YouTube
Amazon.com: Waboba Lava Ball – Changes Colour in the Sun - UV Changes Yellow to Red – Bounces Sky High - Great Super High Bouncing Ball for the Whole Family : Toys & Games
Free Technology for Teachers: Two Ways to Visually Show Classroom Noise - Best of 2016
Monitor Classroom Noise with Bouncyballs.org - Classroom Freebies
Need A Creative Break? Here Are 6 Super Fun Website
Bouncy Balls: A Good Tool for Managing Classroom Noise | Educational Technology and Mobile Learning
Creative / Chaos: Bouncy Balls - Noise Meter for the Classroom
On the Rebound: The Height Limits and Linearity of Bouncy Balls | Science Project
Bouncy Balls review - App Ed Review
Spear Tip Education: Classroom noise Monitor - "Bouncy Balls"