Music Box Mechanics
Product Code: 7198
Our Price: $4.99
Description
Useful for your homemade music box project or as a demonstration of the propagation of sound waves: Turn the music box while holding it in the air and you can barely hear it. But place it on a surface and the sound waves can travel and music is audible. Includes 2 screws for installation. Plays "Fur Elise" by Beethoven.
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