Get ready for some super-sized science this Halloween! Meet your favorite heroes from Springfield’s Ultimate Cosplay League at the Discovery Center on Saturday, October 30 from 10 am to 6 pm. Learn the science behind superheroes, take your picture with your favorite DC and Marvel heroes, and ...trick-or-treat indoors at this all-day Halloween event! Best of all, it’s free with admission! Click the link below to enter to win a family 4-pack below!