Use construction paper & glue onto white cardstock paper ring or paper plate ring for support. Bring hole puncher into room, have yarn available. For dangly, make a construction paper star instead of a snowflake and they can glue punched-out snowflakes all over star if they want.
Confetti Congratulations Card. Some paper scrap and punched paper in different colours (made with a regular office paper punch) and 'snip snap' - you've made a quick card for any celebration from Birthday to Wedding to Birth of a Baby etc etc. Brilliant card and so easy to make.