Monday, 20 April 2015

Rubber Band Harmonica!

17:26  Telli k  No comments

Make dulcet tones only a mother pigeon could love! With the rubber band harmonica, you can pick up a tune anywhere, and tune your harmonica with post-its to play any notes well in the mezzo-soprano range! This is a great introduction to vibrations, sound, and the effect on sound of string (jn this c...
By: The Oakland Toy Lab

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from Instructables: exploring - technology - robots http://ift.tt/1HaSQQR

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