Boomwhackers BW54TB Classroom Pack - 54 TubesLooking for a fun, engaging way to get the whole class involved in the music making process? Boomwhackers are just the instruments for the job! These fun plastic tubes come in a variety of lengths and pitches, each vibrantly color coded and labeled to make it a cinch for any student to become a classroom musician. A set of 16 Octavator Tube Caps allows you to drop the octave of each of the Boomwhackers simply by capping the ends of the tubes, while a