I play the piano
The stringed musical instrument?
Yes and I started when I was 4, it's fun and rewarding as a pass time
The stringed musical instrument?
It has strings, but a lot of the time you can't see them as they're covered to create a different sound
Piano
The piano is an acoustic, stringed musical instrument invented in Italy by Bartolomeo Cristofori around the year 1700 (the exact year is uncertain), in which the strings are struck by hammers. It is played using a keyboard, which is a row of keys (small levers) that the performer presses down or strikes with the fingers and thumbs of both hands to cause the hammers to strike the strings. 
The word piano is a shortened form of "pianoforte", the Italian term for the early 1700s versions
strings of musical instruments, "to play a stringed instrument with the fingers, and not with the plectrum." The psaltery was originally made from wood, and relied on natural acoustics for sound production. 
In the King James Version of the Bible, "psaltery", and its plural, "psalteries", are used to translate several words whose meaning is now unknown: the Hebrew "keli" (כלי) in Psalm 71:22 and I Chronicles 16:5; "nevel" (נבל) in I Samuel 10:5;