All aboard! This unique melody-building train set invites children to play composer and conductor at the same time. Lay down the note tiles (tracks) and let the electronic engine read them, creating a traveling song. No reading required -- just match the colors in the songbook to play seven children"s songs and learn the C scale. Or, improvise your own tunes! Set of 60 pieces includes tiles (low C through high C), track segments, engine, coal car, train car with removable cargo, sticker sheet, songbook and engineer figure. Engine measures 6"L x4"W x 3"H. Requires four "AAA" batteries, not included.