You will need:
3 oz. Plastic Bathroom Cups (the 9 oz. translucent cups work too, but you may need to adjust baking time)
Baking Sheet and Foil
Hole Punch and String or Ribbon
Oven preheated to 350 degrees F
Step 2: Punch a hole in the cup just below the rim.
Step 3: Place cup(s) on foil-covered baking sheet and place in center of oven.
WATCH CAREFULLY!!!! It only takes about 10-20 SECONDS for the cup to melt!!
Step 4: Remove from oven and allow to cool for 1-2 minutes.
Step 5: Add a ribbon and the necklace is ready to wear and advertise cookie sales;)