Choroi Steel Glockenspiels. Choroi Steel Glockenspiels were designed primarily for small children. They have a clear, balanced sound, and make an excellent first percussion instrument. They accompany the soft tones of the children's harp well. The body is made of fine cherry wood. Carillon Pentatonic Glockenspiel. Cherry wood, 7 steel plates, with mallet, range: d""""-e""""-g""""-a""""-b""""-d'''-e'''.