ProKussion Wooden Children's Teaching Aid Glockenspiel Xylophone (X-Series) This Soprano Glockenspiel produces a Lovely Bright Sound. The notes range from C3-C4. Sturdy well made wooden frame with removable wooden blocks and attached metallic note indicators. Removable wooden blocks assist teaching by allowing the teacher to leave only the needed notes for a particular piece of music attached to the wooden base. Size: 33 cm x 15 cm