This weekend kicks off six days of non-stop parties, crafts, costumes, pumpkins and of course, trick-or-treating. Saturday is the Boo Bash, free and open to museum members with activities including pumpkin croquet, a costume parade and a pumpkin scavenger hunt. Sunday is the Museum Monster Mash with the Greasy Kids Stuff DJs spinning Halloween party tunes. Kids can also check out the black light lab, make trick-or-treat craft bags and listen to spooky stories.