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Doppler Ball
In Stock
This foam ball has a battery-powered buzzer inside. Start the buzzer and play catch. Throw it fast enough, and students can hear the frequency shift!
Buy 30 and pay $13.50 each!
Simple but memorable demonstration of the Doppler effect.
Foam ball has a battery-powered buzzer inside. Start the buzzer and play catch. Throw it fast enough, and students can hear the frequency shift! Attach a string to swing the ball in a circle. 9V battery included.
Products being sold are not toys. They are for Educational / Labratory use only. They are not for use by children 12 and under.
Vibrations and Waves: Doppler Effect
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Doppler Ball
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2018-12-04 12:09:09 -0500