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Doppler Ball

Product # P7-7120

Availability: In stock

  • Buy 30 for $13.50 each and save 10%

Doppler Ball

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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 / Laboratory use only. They are not for use by children 12 and under.
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