This thing that looks like an electronic keyboard is not for playing, you can dance or run on it to create your own music. It has 14 white keys and 10 black keys, about two full octaves, which can produce unique tones or melodious music. It's roughly 6 inches long, and the keyboard is large enough for a duet. Musicians can record and instantly play back their self-composed tunes, or tap along with pre-recorded tracks. This musical keyboard pad can replicate the sounds of eight instruments (piano, guitar, trumpet, saxophone, mandolin, oboe, violin, glockenspiel).