BOOMWACKERS BLACK OCTAVERS/8
For ages 3 and up.
Set of 8 octave changers for Boomwackers tubes. By snapping the octave changer together, you get an identical sound one octave lower.
For ages 3 and up.
Set of 8 octave changers for Boomwackers tubes. By snapping the octave changer together, you get an identical sound one octave lower.