1.Size detail: the harmonica is approx 10.3 x 2.81 cm/ 4.06 x 1.11 inch ( L x W ), and the thickness is about 2.18 cm/ 0.83 inch, easy to hold, suitable for children's hands, can be carried around, not take up space, practice at any time 2.Quality material: the 10 Hole translucent harmonica is made of highquality plastic, bright colors, smooth surface, no sharp edges, reliable quality, to use, sturdy and durable, bring you a good using experience 3.Considerable design: the plastic harmonica for is designed with 10 holes, marked with numbers corresponding to the scale, clear and convenient, easy to use, can cultivate children's interest in music, stimulate musical talent, suitable for most beginners and children, it is a small helper for boy's and girl's music enlightenment 4.Wide applications: the harmonica for is suitable for party games, stage performances, classroom teaching and more, and also very suitable to put in gift stuffing bags for Christmas, Halloween and birthday parties, give others as party favors