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Doppler Ball

Item # P7-7120

Regular price $16.95
Regular price Sale price On Sale $16.95
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Buy 10 and pay $15.80 each!

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!

In Stock

Additional Details

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. Two CR2032 batteries included.

Color is subject to change.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.

Resources

What’s Included

  • Doppler Ball with battery holder and buzzer
  • 2x CR2032 Batteries

Accessories

Order Qty Price Qty for Discount Discount Price Total Savings
No-Stretch Pulley String, 25 meters No-Stretch Pulley String, 25 meters Item # P1-6110
$4.75 50 $4.40

Replacements

Order Qty Price Qty for Discount Discount Price Total Savings
Battery CR2032 Battery CR2032 Item # P3-3503-01
$0.63