Doppler Ball

Item # P7-7120

Arbor Scientific

P7-7120

18112179208265

$15.00
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!
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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.

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Replacements

Item # AR-1000

$1.75

Buy 50 and pay $1.55 each!
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Vibrations and Waves: Doppler Effect

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