Make and shake these tambourines that are popular in Brazil and Africa.

Decorate the stick with paints and feathers.
Remove the rubber liners from the bottle caps by having an adult "cook" them for five minutes on a hot outdoor grill (this step is optional but recommended, as it greatly improves the sound).
Flatten the caps with a hammer, then use a nail to punch a small hole in the center of each cap. Then thread the caps onto the wire and string tautly between the arms of the Y.