Nino Percussions small green Steel Tongue Drum G-Minor. From NINO Percussion is the Small Steel Tongue Drum with pre-tuned notes for any young musician or teacher to play. This 7” diameter drum can be played by anyone, anywhere, regardless of skill. Amazing for younger children learning about music or for teachers to use as a signal to corral a classroom. It is pre-tuned scale means there are no wrong notes, and the sound is mellow and soothing (like a soft steel pan drum). Includes a transportation bag and 2 soft rubber mallets for a full and tranquil tone.