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Sound tube RB

Sound tube RB

SKU RB1233
by RB
$4.95 - $4.95
$4.95
$4.95 - $4.95
$4.95

Twirl it at different speeds and hear different pitches. The faster you twirl, the higher the pitch! A great way to discover the physics of music. Focus on signing in tune by singing into one end and listening in the other end. Measures 38" in length; this tube produces an 'F' pitch.