At only 4 inches long, this easy-to-hold metal harmonica! features a 10-hole design for easy musical fun. Fits easily into small hands and helps cultivate a sense of sound, musical scale, and play. Comes in an assortment of beautiful colors with metal luster inside a 4.25 x 1-inch portable hinged case. • Age Grade: 3+ • Product Dimensions/Weight: 4.4 L x 1.4 W x 1.0 H / 0.1 lb • Inner Pack Dimensions/Weight: 7.4 L x 3.3 W x 5.2 H / 1.4 lb • Made In: China • Batteries not required