Teach Starter - How neat is this...monitor classroom noise level with virtual bouncy balls! It uses the microphone on your laptop, you can 'see' the noise level and so can your students!!
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Amazon.com: 20PCS Thick Handheld Stage Microphone Windscreen Colorful Microphone Covers Reusable Foam Covers Micro Foam Filter for Most Microphone : Musical Instruments
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Amazon.com: Microphone Windscreen, Colorful Mirophone Covers, Headset Windscreen,Mic Foam Covers for Varity of Headset,Colorful,10pack : Musical Instruments
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