The following is a list of the materials you will need:
1x Black plastic trash bag
2x Styrofoam cups
1x 1/8" wooden dowel 12" long
1x Styrofoam freezer tray
2x Sewing pins (Forgot these in picture)
1x Plastic yogurt (or similar)
-Single edged razor or xacto knife
-Drawing compass
-Felt tip marker
-Ruler (forgot this in picture)
-Sizers
-Glue gun