13 red metal bars, tuned to A=440 (the industry standard); wood resonating chamber.
Diatonic range is from C3 (2 octaves above middle C) to F4, plus F#'s and Bb.
Rounded corners and edges on the resonating chamber for extra safety.
Includes one pair of Sonor wood mallets.
The bars can be removed - they are attached to the resonating chamber by plastic pins. Each bar is 0.75" wide. Dimensions approximately 4.75" wide (at the widest end) x 12.25" long x 1.5" high.