Goldon Resonators Model 10508 BW
Goldon Resonators Model 10508 BW, Soprano Sound Module Set, Model 10508, 10 soprano sound building blocks in Boomwhacker colors, Tones: c2 - c3, f#2 + bb2, All sound blocks have a sound box made of 6 mm birch plywood and fine tuned sound plates, The respective tones are printed on the sound plates