Boomwhacker OC8G Octavator Tube Caps, 8 Set
Put one of these caps on the end of a Boomwhackers Tube and presto- boomo!, you've lowered the tone by an octave! (That's 8 notes if you're counting.) Play the tubes as usual or hold them vertically and tap on the floor, etc., as a "stamping" tube. Placing Tube Caps on the higher octave tubes, creates the same tones as the bass octave tubes; Placing them on the bass octave tubes, takes it down another octave, making a 3-octave range possible.
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