Paper towel roll microphones. Foam balls, foil, glue gun, foil tape, electrical tape, black paint. Paint the roll black. Wrap the foil around the ball. Glue it to the roll with glue gun. Wrap electrical tape around roll and ball. Put foil tape at bottom. Let dry. The take a black marker to make dots on foil ball. Get modge podge glue and put over whole thing let dry. It will dry shiny.