The Grand Staff Dry Erase Magnetic Board may be used to teach/learn numerous music concepts. Includes 35 Music Alphabet Magnets. On the back of the music alphabet magnets you will find 25 black magnets, 5 red magnets, and 5 blue magnets. The black magnets may be used to build chords, scales, intervals. The red magnets may be used to identify the root of chords and scales, and the blue magnets may be used to identify sharps or flats in a scale. The dry erase magnetic board allow you to write on this board and easily erase various concepts being taught. The board is 9" x 11.5" and sits neatly on the piano. This product will not scratch the piano, guaranteed. The Music Note Teacher is an excellent teaching aid provides an interactive way to learn basic note reading concepts of direction and distance, note stem direction, intervals, and more! How It Works: Turn to the side without note names. Slide the note to any position on the staves. If you know the name of the note, say it. If you don't know the name of the note, turn the flashcard over to view the answer. Continue this process to master all the note names!