4 tools

Applause MeterLoudest group wins — persistent bar per team for cheer-offs.

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Noise MeterShow classroom noise levels live, set a visual alert threshold, and project the meter during quiet work or group activities.

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Sound BoardBrowser-generated bell, drum roll, attention, and celebration cues.

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Traffic LightGreen, yellow, red noise indicator for classroom volume.

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Sound & Noise Tools

Noise meters, sound boards, and traffic-light indicators for classroom volume.