Looking for a fun and functional craft for the kids in your class? Consider decorating votive candle holders with a variety of decorating supplies. For example, while you can paint the glass votives, you can also apply things such as stickers or spooky googly eyes.
Check out THIS ARTICLE for steps and suggestions on how to make several varieties of votives.
Keep in mind that glass votives aren't an appropriate craft for young children, as the glass may break on the child's way home.