enough to wrap around the end of the paper towel tube. you want to make the foil about 3-4 layers thick.
glue the foil in place and then secure it by wrapping masking tape around the end of the tube.
add 2-3 spoonfuls of rice (repeat the steps above to seal the other end of the tube).
cut a piece of black glitter foam long enough to wrap around the end of the tube. glue the black glitter foam in place.
make sure to cut a circle large enough to cover the end of the tube and glue in place just like in the photo above.
use a paintbrush to paint a rainbow pattern towards 