"Music Garden Toddler Collection" is a "Music and Rhythm" designed by an American music preschool company (Music Matters) in 1994 to serve children from newborn infants to nine years old. Part of a series of textbooks. This series includes 280 game activities suitable for children aged 15 months to three and a half years old. These game activities are arranged in each chapter according to the differences in the functions of each course. Each activity provides singing melodies and lyrics, expressions of perseverance, and information about key, range, or recording, as well as other forms of course conduct. "The Wonderful Musical Garden Toddler Collection" is one of the teaching materials of Youyoujia full-time infant school.