Spider-Mans web at superhero party. The simplest activities are the best with kids! Make a spider web out of painter's tape, let them throw scrunched up newspaper ball to see if they can get them to stick.
rice cups) and put it in a Ziploc bag with about of food coloring or liquid water colors 3 T of rubbing alcohol. White rice + food coloring + rubbing alcohol = Rainbow rice -would be cute done in wedding colors!
Laser Beam Challenge - Set up a laser obstacle course in a hallway with crepe paper. The crepe paper will tear if the kids bump into it, letting them know they weren't able to get through the course. For added fun, do this in the dark with glow sticks!