The Rhythm Band Boomwhacker Power Pack includes is an eight-note diatonic set of tuned percussion tubes, two patented Octavator Caps, the popular CDW1 "Whack Tracks" audio CD and a very special informative DVD with exclusive interview and performance footage by Plastic Musik, the world's premier Boomwhacker performance group. The Power Pack was created for the "tween," teen and adult audience, and it is perfect for use in drum circles, creative music composition, choreographed dance and movement arrangements and performance.