This free, three-day event during the Martin Luther King Jr. holiday weekend will feature scientists, engineers, and other STEM professionals showing off cutting-edge research and awesome new inventions, many of which originated right here in St. Louis.
Exhibits feature tabletop activities and prizes, and amazing performances and demonstrations will take place throughout the day. 11 to 4 p.m. on Saturday, Jan. 16 and Monday, Jan. 18, and noon to 4 p.m. on Sunday, Jan. 17.
Free. At the Saint Louis Science Center. More information: slsc.org
Explore the St. Louis Zoo after dark at Boo at the Zoo. Bring your little ghouls and goblins to this non-scary celebration designed just for kids. Though this is not a trick-or-treating experience, costumes are encouraged, and each child 12 and under will receive a treat bag when they leave.
Engage your young scientist in science-related learning at the Saint Louis Science Center's Preschool Science Series. Through interactive stories and hands-on exploration, children learn about science, as well as language, problem-solving and social skills.