• Place caps on the end of a Boomwhacker tube to lower the tone by a full octave
• Comes in a set of 8
• Play the tubes as usual or hold them vertically and tap on the floor as a stamping tube
• Combination of Boomwhackers allows for a 3-octave range
• Place on the higher-octave Boomwhacker tubes to create the same tones as the bass octave tubes

The Caps lower the tone of the Tubes by an octave. The 8 Pack contains enough caps to use on any of our Boom whackers Sets.

Please feel free to ask if you have the product which I do not list.I will do my best to provide at competitive price.