St. Louis County

Activities include rooftop stargazing led by experienced astronomers, robot demonstrations by the St. Louis Student Robotics Association, science talks, lab demonstrations, science experiments and more. Admission is free.

Join the Challenger Learning Center in celebration of its 15-year anniversary! This celebration is a community event for all ages, and includes simulated space missions, drone demonstrations, hands-on activities for kids and a screening of the film Earthrise. Admission also includes lunch! Visitors will also see the winners and entries of the Center's logo design competition and rocket design competition. 

Celebrate the opening of the new Ultimate Ninjas in Chesterfield, which brings the wildly popular authentic American Ninja Warrior experience and training to St. Louis. Visitors can meet and see competitors from NBC's American Ninja Warrior, and kids can try out the iconic obstacles from the show themselves, including the jumping spider, salmon ladder and four-level warped wall. . 

At this free nature workshop, kids will see how plants and animals are gearing up for the arrival of winter. Presented by naturalist April Anderson.

Preschoolers can enjoy game booths, crafts and refreshments at this morning of fun just for ages 3-5. 

The Imaginary Theatre Company presents this new musical adaptation of Mary Griggs Can Coorhis' short story "The Boy with the Box." At Christmas, Tom is eager to show off his new skates, until someone appears with the newer, better pair. But when Tom meets a friend with no holiday gift at all, he learns about the true spirit of giving. 

Visitors to this free event are invited to take photos with Santa, decorate cookies, enjoy face painting, crafts and a balloon artist, and meet Eddie the Florissant Police Dog.