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Music Box Mechanism

Item # P7-7330

Regular price $18.85
Regular price Sale price On Sale $18.85
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Buy 6 and pay $17.70 each!

Turn your whole chalkboard into a speaker! This music box mechanism is quiet on its own, but just hold it against a large object and hear a dramatic increase in volume!

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Turn your whole chalkboard into a speaker!

This music box mechanism is quiet on its own, but hold it against a large object (table, chalkboard, window, paper cone, drum) and hear a dramatic increase in volume! It's a simple but memorable demonstration of how sound energy transfers through the process of resonance.

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

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