Here is an inexpensive alternative to tuning forks for many experiments in sound. -- Students can adjust the pitch on these pipes by moving the rubber rings that lengthen the vibration. Pipes can be arranged by pitch or by sequence of notes in a piece of music. -- Includes: 1 double ended mallet, 40 rubber rings, and 20 lengths of steel tubing.

$82.95

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Xylopipes

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