Nails, old used wood, fishing string, a piece of tube [cut it in half].
1. first you find a piece of old used wood.
2. then you get something to trace on and draw it on the piece of used wood.
3. after your done with that you get one of your parents most likely your dad to saw it out.
4. you get some string.
5. then you saw out two little pieces of wood and put one at the top and one at the bottom[ this holds up the string so it will make better noise.
6. when your done with that you get 12 screws and put 6 above the first little piece of wood and 6 below the second little piece of wood.
7. when your done with that you tie the fishing string around the 12 screws and check if it makes sound.
8. finally after your done with all that you get a permanant marker and make a design.