Lower the octave of your Boomwhackers! These caps lower the pitch of a Boomwhacker by an octave when placed on one end of the tube. The 8-pack contains enough caps to use on any of the Boomwhackers...
Boomwhackers are one of the most popular musical learning tools in classrooms and music therapy sessions around the world! Color coded plastic tubes are cut to the exact length in order to create the...