How to make musical instruments from waste products! ! !

How to make the simplest musical instrument

Use seven iron pipes (pen tube, no pen tube, only straw), from long to short, one next to the other, the first one is not cut, the second one is cut 1.5cm, and then cut 1.5cm in turn, plug one end of the straw, use cotton, and then blow the unplugged part with your mouth, which is a small musical instrument.

Use seven iron pipes (pen tube, no pen tube, only straw), from long to short, one next to the other, the first one is not cut, the second one is cut 1.5cm, and then cut 1.5cm in turn, plug one end of the straw, use cotton, and then blow the unplugged part with your mouth, which is a small musical instrument.

Use seven plastic bottles to fill water respectively, so that the height of water in the bottles increases in turn. Tapping these bottles with a wooden stick will make different sounds.