BOOMWHACKER BASS CHROMATIC SET Boomwhacker Instrument sets are an entertaining, percussive way to teach children about notes Boomwhackers feature tubes that are clearly marked with each note, and may be used in sets or to teach songs Boomwhackers are available in sets of 8 Note Diatonic (BWDG), 7 Note Diatonic Bass (BWJG), 6 Note Pentatonic (BWPG), 5 Note Sharps / Flats (BWCG), 5 Note Bass Sharps / Flats (BWKG) or 12 Note Chromatic Set (BWCG) If you are looking for the hottest item on the market that will help to develop your child's interest in music, you need look no further than Boomwhackers The Secret Boomwhackers are tubes that are perfectly tuned to different muscial notes which are clearly marked on their labels