Love this idea! I would have more than one glow stick on hand in case one doesn't put out enough glow. I would also put the glow sticks in sealed plastic baggies for safety in case they opened up. This site has several good ideas for Halloween.
how to host a halloween party that’s grown-up, not gross
Halloween spider decoration super easy and inexpensive= crepe paper and balloon. I added a smaller balloon (same type- just less air in it) for a head. next year I'm gonna add a red X made from crepe paper on it's butt.
Customize your Halloween party decorations by serving your favorite spooky dessert or beverage in these disposable, personalized clear plastic Halloween cups and add the finishing touches to your spoo (Spooky Halloween Bake)
20 Brilliant Halloween Hacks That Will Change October for the Rest of Your Life -- Adding plastic spiders to the ice cube tray is such a fun way to serve drinks for kids OR adults at Halloween parties this year!