Calling all space explorers! This Halloween season, join Science Connections to go on your very own space hunt. First learn about NASA technologies, then use your engineering skills to make your own cardboard rover and alien catcher to explore and hunt for aliens! Registration required. Register online or call 240-777-0200 beginning 3 weeks before the event. For children ages 6 – 10. Generously sponsored by the Friends of the Library, Montgomery County.