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From the award winning creators of the ScienceWiz series comes...

Bounce, bend, absorb, and distort sound waves. Record and even
Doppler shift sound. Can you hear a comet collide with the moon?
Which is faster, thunder or lightning? Are there sounds you cannot
hear?
Explore the world of
VIBRATIONS.
Item #7803........................... list price $19.95 USA
Club Members 15% OFF
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