On the afternoon of October 18, 2026, the Main Library at 6920 Main Street in Gloucester will hand a roomful of teenagers a license to make a mess in the name of science. Spooky S.T.E.M., a free program running from 2:00 to 4:00 p.m., invites students in grades 6 through 12 to build eyeball catapults, stack pumpkin towers, and mix up spiderweb slime. It is a Halloween party disguised as a physics, structural engineering, and chemistry lesson, and the disguise is the point.
The three activities map neatly onto three disciplines. The eyeball catapults are a lesson in levers, stored energy, and trajectory, with a rubbery eyeball standing in for the projectile. The pumpkin towers turn candy pumpkins and toothpicks into a load-bearing structure, the classic engineering exercise where students discover that a triangle holds more weight than a square. The spiderweb slime is chemistry by feel, a polymer cross-linking demonstration that stretches and oozes and looks, conveniently, like something pulled off a haunted house set. Registration opens October 4, and the library asks families to sign up in advance. Siblings are welcome to come along, though the library notes that supplies are limited and they may not be able to take part in every activity.
The program is sponsored by the Gloucester County Friends of the Library, the volunteer group that has quietly underwritten much of what happens inside the county's two branches. The Friends raise money through a used bookstore at the library's Main Street Center, and those proceeds pay for literacy and educational programming, staff training, and materials. The group also helped fund the Main library's recent renovation and raised enough to buy an interactive computer table for the children's area. In other words, when a teenager launches a fake eyeball across a library meeting room next October, a used-book sale helped pay for the catapult.
That the event lands at the Main Library is itself a small piece of local history. Gloucester County, established in 1651 and named for Henry Stuart, Duke of Gloucester, is one of Virginia's older jurisdictions, and its courthouse village is among the oldest in the state. The community grew up around the original historic courthouse complex over several hundred years, leaving behind a linear Main Street and a distinctive circular courthouse square. The library now sits along that same Main Street spine, a modern public building in a village whose street plan predates the American Revolution.
The county's history runs deeper than its courthouse. Native Americans lived in the region for thousands of years before English colonists arrived at Jamestown in 1607. Gloucester's colonial prosperity in the 1670s through the 1720s was built on tobacco grown by enslaved Africans, and the county became home to numerous plantations. Gloucester County today is home to roughly 38,700 people, according to the 2020 census, with farmland and a working fishing industry still central to its identity.
Against that backdrop, a two-hour teen science program is a modest thing. But it fits a pattern that has defined the county's library system for years: free, hands-on programming aimed at pulling young people through the door and giving them something to do with their hands. The Friends of the Library have been explicit about that mission, describing their fundraising as a way to enhance the library's reach across both branches. Teen programming is often the hardest to sustain, since adolescents age out of children's storytimes and rarely show up for adult lectures. A slime-making session with a Halloween hook is a practical answer to that problem.
Spooky S.T.E.M. is a one-off, not an annual tradition with a long backstory. It appears on the library's calendar as a single autumn afternoon, tied to the season rather than to any anniversary. What it does have is a clear premise and a low barrier: no fee, no materials to bring, no prior knowledge required. Students who register by the October 4 opening will spend two hours learning that a lever is a lever, a triangle is stronger than a square, and a polymer is more fun when it looks like cobwebs. The library supplies the eyeballs. The mess is included.