Boomwhackers octavator tube caps
Boomwhackers octavator tube caps put one of these caps on the end of a boomwhackers tube and presto- boomo!, Youve lowered the tone by an octave! (Thats 8 notes if youre counting.) Play the tubes as usual or hold them vertically and tap on the floor, etc., As a stamping tube. Placed on the higher octave tubes create the same tones as the bass octave tubes. Placed on the bass octave tubes, they go down another octave, making a 3-octave range possible.
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