Make a double sided strip of glitter tape that is 9 in long.
Use a small piece of duck tape to attach the ends to each other, creating a circle.
Repeat steps 1-2 with other colors of glitter tape.
Put the 3 glitter circles inside of each other, attach using push pin on one end.
Attach another push pin on the other end.
Repeat steps 1-5 to make other glitter circles.
String each garland ball with a piece of string.