Bamboo buzzer / gonnga lima / boingy stick
Bamboo buzz tube / Gonnga Lima
Hold the closed end and tap the other against your free hand to produce a crazy boingy buzz that can be modulated by closing the small holes near the handle end.
Quite simple to play and rather addictive!
Produces a small range of quiet overtones which can be made into simple patterns.
Approx 3cm dia x 35-40cm long.