WEofferwhatYOUwant Portable First Harp Musical Instrument - Educational Toy for Children Learning and Entertainment Small size for easy travel. Continuous play 10 Lullaby musical tunes. Perfect for Bedtime Teach your baby music concepts. One of two color combinations selected at random. Rated for kids 18 months to 4 years. 2 AA Batteries INCLUDED. Safe with secure battery cover. Strong ABS plastic ASTM USA Certified,. Can use in crib. IR device to detect babys fingers and plays recorded harp sounds. Great for Mom on the go and car rides. Interactive music education. Sing along to an additional 8 classic childrens songs with LED lights. Baby can toggle the music on and off with Harp strings.