Suitable for: Classroom Music Feature: Compact Size And Easy To Play Playing surface: natural, green, blue, orange, red, yellow Includes: 6 x NINO931 Materials: baltic birch (Betula Pendula) with High And Low Pitches Measurements: 30 cm (L), 14 cm (H), 13 cm (B) Measurements in inches: 12" (L), 5 1/2" (H), 5" (B)