Circular motion apparatus, w/speed control

Sound Tube

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Item code
P952
Sound Tube
$9.90 $9.00


When spun in a circular motion, these tubes produce a tone. As the Sound Tubes are spun faster, the tone steps up in frequency. Due to the harmonics of the tube, there is not a gradual increase in frequency. Great demonstration of standing waves and sound resonance. Colours and styles may vary.


DIMENSIONS


68 X 4 X 4 cm (L x W x Ø)