This is the ultimate boomwhacker set. Using two packages of the new Octavator caps included in this set you'll be able to convert the bass diatonic and chromatic boomwhackers a full octave lower and using the other two packages of octavators you'll be able to convert a set of diatonic and chromatic boomwhackers to the range of the bass boomwhackers. The end result is an amazing 3 octaves of whacky fun. We've put this value package together by popular demand!
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