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| COG Ein-O Science Box Kit - Basic Science - Sound |
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For ages 7+
Learn about the properties of sound.
Investigate how sound is used to do amazing actions.
Includes 4 easy experiments:
Box guitar
Pan pipes
Metal balls
Making wavelengths
Contents:
Card
Clay
Elastic Bands
Metal Rods
Straws
String
Ein-O's I Know Guide
Note: some household equipment may be needed.
This product comes in a retail pack.
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