Plastic Musical Instruments with Flute Diaphragms for Gift, Prize and Party FavorsSturdy material: plastic kazoos are made of quality plastic, not easy to break, non-toxic and durable, the edges has been polished, a rather simple musical instrument but has lot of fun to play withHow to Use: 1 put the wider side of the kazoo in the mouth; 2 Sing a melody in your voice, just hum it loudly; 3 Dont need to blow, you cant make a sound when you blow; 4 The vibration of vocal cords drives the vibration of the sound film on the kazoo to make a sound; The playing of kazoo is related to the level of voiceEasy to use: colored kazoos with simple structure, easy to play with, no need to learn music theory or recite music score, a really wonderful gift for children, students and beginnerWide applications: these small kazoos are good accompaniments for guitar, ukulele, violin, piano keyboard, slide whistle and many other musical instruments, also can be applied as gifts and prizesColor: MulticolorSize: 12cm longQuantity: 10pcs1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.3. Only the above package contents, excluding other products.