Product Overview
Lower the tone of your Boomwhackers by an Octave!
These caps lower the tone of the tubes by an octave when placed on one end of the tube.
The 8-pack contains enough caps to use on any of the Boomwhackers Sets.
Lower the tone of your Boomwhackers by an Octave!
These caps lower the tone of the tubes by an octave when placed on one end of the tube.
The 8-pack contains enough caps to use on any of the Boomwhackers Sets.
