This is a completed toy designed for children.
From the "Pokemon" series comes Munyu Munyu Do Re Mi Fa Pikachu! This series of singing Pikachu each represent the Do Re Mi Fa So La Ti Do tones, and this little guy is "Pikachu Do"! Switch him to song mode, and then then press his back to hear the song, "Donguri Korokoro". Switch him to single note mode, and then press his back to hear him say "Pika" in the "Do" tone. Collect all 8 (sold separately) to hear the full scale, like your own Pikachu piano!
Requires 2 AAA batteries (batteries are not included)