November 13 @ 4:00 pm - 5:00 pm The Great Marble Run Boonsboro Library 401 Potomac St., Boonsboro, MD, United States Build the ultimate marble track! Free
October 23 @ 4:00 pm - 5:00 pm LEGO Engineering Challenge: Musical Monsters Boonsboro Library 401 Potomac St., Boonsboro, MD, United States Use LEGOs to create unique monsters combining several kids' ideas. Free
