This is a Mickey Mouse Clubhouse Mickey's Play-Along Christmas Songs book by Disney from 2009.  You can play along on the piano using the color coding on the songs.  You can press the button associated with the song and then follow along afterwards when the keys light up. This is a great activity book that will keep your kids entertained for a long time. It is in excellent condition.  It measures 12 3/4" long x 12 1/2" wide. #655-30100