This Yamaha Portasound PC-100 keyboard playcard system comes with 13 cards case and works with both batteries and a plug. It is a silver color electronic keyboard with 44 keys, made in Japan. The brand is Yamaha and the model is Portasound PC-100. This keyboard is perfect for musicians who want to play and create music easily. It is suitable for both beginners and advanced players. The instrument is an electronic keyboard and it falls under the category of musical instruments and gear, specifically pianos, keyboards, and organs. Marker markings on keys for the note. Includes 13 music lamented song cards: Night Fever When The Saints GoMarching In Take The ?A? Train Do Re Mi Cielito Lindo Edelweiss I Could Have Danced All Night Killing Me SoftlyWith His Song Greensleeves Summertime Aloha Oe 9 to 5 A head cleaning card