Hocus-Pocus Slime Science (Ages 6+ w/adult) October 18, 2025 @ 2:00 pm - 3:00 pm Elkridge Branch Library 6540 Washington Blvd,, Elkridge, MD, United States Come explore the science of chemistry as we brew up some fiendishly fun slime for Halloween. Free
Chemistry in the Library: The Hidden Life of Spices (grades 2 and up) October 18, 2025 @ 2:00 pm - 3:00 pm Miller Branch Library 9421 Frederick Rd, Ellicott City, MD, United States Join a chemist from the American Chemical Society for a hands-on program on the chemistry of the hidden life o Free
Guess Who? STEM Game for Young People Ages 12-18 October 18, 2025 @ 2:00 pm - 3:00 pm Long Branch Library 8800 Garland Ave, Silver Spring, United States The Guess Who? STEM game will highlight pictures of famous people in the STEM profession. Free
Chess Club October 18, 2025 @ 2:00 pm - 3:00 pm Charles County Public Library 10405 O'Donnell Place, Waldorf, MD, United States Players of all ages are invited to join Chess Club at Waldorf West! Free
LEGO Challenge October 18, 2025 @ 2:00 pm - 3:00 pm Broadneck Branch 1275 Green Holly Dr, Annapolis, MD, United States Take the LEGO Challenge and build a masterpiece! Free
LEGO Club October 18, 2025 @ 2:00 pm - 3:00 pm Hagerstown Branch 100 S. Potomac St., Hagerstown, MD, United States Children ages 4 and older, come build with LEGO. A new LEGO building idea every month. Free
Electric Moving Head Fan: Makerspace Maryland STEM Festival October 18, 2025 @ 2:00 pm - 3:30 pm Elkridge Branch Library 6540 Washington Blvd,, Elkridge, MD, United States Engineer a standing, electric fan while learning the principles of convection and evaporation. Free
3D Print Keychains October 18, 2025 @ 2:00 pm - 3:30 pm Wicomico Public Library-Paul S Sarbanes Branch 122 South Division Street, Salisbury, MD, United States 3D printing Free
Animate the Stars: Where Science Meets Art October 18, 2025 @ 4:00 pm - 5:30 pm White Oak Library 11701 New Hampshire Avenue, Silver Spring, United States Learn how to use state of the art animation techniques to illustrate the movement of stars and planets. Free
MD STEM Fest Reading Challenge October 19, 2025 @ 12:00 am - 11:30 pm Online Discover STEM fun. Complete STEM-themed activities and read books to fill your bingo board. Free
Toddlergarten: Making Observations October 19, 2025 @ 8:00 am - 10:00 am Maryland Science Center 601 Light Street, Baltimore, MD, United States Learn how your toddler grows in this workshop about making observations. $55.00
Open Explore October 19, 2025 @ 10:00 am - 4:00 pm Kid Museum 3 Bethesda Metro Center, Bethesda, MD, United States KID isn’t your typical museum: everything in our space is an interactive, hands-on experience, so no two visit $15.00