If you don’t have a metal rod, any sort of strong, long implement sturdy enough to scrape out the inside of the bamboo will work.
If you do not have a drill, you can still make a rainstick using long nails. Instead of drilling the holes, use a hammer to pound a long nail through each hole. Make sure the nail isn’t long enough to penetrate the other side of the bamboo stick.
This step isn’t necessary if you used nails instead of skewers.
If you don’t have the supplies to cut out pieces of wood, you can make endcaps out of cardboard, particle board, or another sturdy item you have in your home. Just make sure you can glue the cap securely to the end of the stick.
Don’t overfill the rainstick, or you won’t be able to hear the individual sounds of the objects. Putting too few objects in the rainstick won’t give you the impression of rain when you use your instrument.
If you don’t have a drill, you can use long nails instead. Place a long nail at each dot and use a hammer to hammer them in. Make sure the nails aren’t long enough to pierce the other side.
This step isn’t necessary if you used nails instead of skewers. You can get super glue designed for PVC pipe. In the pictures, Gorilla PVC Cement is used.
