3 years & up. The Early Melodies Happy Harp is the perfect introduction for beginning musicians! The harp can be easily tuned and produces high-quality tones. Gentle nylon strings are used on the wooden surface and are safe for children's hands. Happy Harp includes tuning tips, tuning wrench, five song sheets, and one blank sheet to encourage your musical composition abilities. Made from wood sourced from environmentally sustainable forests. Harp measures 15.7" x 7.9" x 1.3".