Sonor child's soprano glockenspiel C3 to F4 - red metal bars, with a plastic frame. Single row C major scale with F# and Bb; 13 bars. Just right for young players with its smooth edges, built-in holders for mallets, and built-in storage slots for F# and Bb when not in use. Bars are attached by rubber pins, and are removable. Bars are each 3/4" wide. .Dimensions: approx. 3-3/4" deep (at the widest end) x 12-1/4" long x 1-1/2" high.