RBI Boomwhackers Octavator Tube Caps : 8 Pieces
Octavator Tube Caps 8-Pack
Lower the octave of your Boomwhackers
These caps lower the pitch of a Boomwhacker by an octave when placed on one end of the tube. The 8-pack contains enough caps to use on any of the Boomwhackers sets.
Durable non-toxic plastic
Lowers the pitch 1 octave
Set includes 8 caps
Boomwhackers sold separately