STEM Expos & Activities
St. Louis
Saint Louis Science Center — SciFest: Play & Creativity Expo
Website: www.slsc.org/event-overview/scifest/
Date: August 8, 2026
Time: 9:30 am
An excellent event for younger children. Activities include robotics, coding, creative circuits, 3D printing, chemistry demonstrations, engineering challenges, gaming technology, and hands-on STEM exhibits. Admission is free.
Saint Louis Science Center — SciFest: SciFEASTL
Website: www.slsc.org/event-overview/scifest
Date: November 14, 2026
Time: 9:30 am
Many activities for children to learn about science that directly affect human health. Great for families! This STEM event focuses on food science, agriculture, nutrition, environmental science, and health sciences, featuring demonstrations and hands-on activities for families.
St. Louis County
Challenger Learning Center — Summer STEM Camps
Website: www.challengerstl.org/summer-camps/
Date: Sessions available for July and Aug 2026
Time: Varies, see website
Location: Ferguson
A variety of summer programs include:
- Astronaut Training
- Rocketry
- Drones
- Inventors Workshop
- Space Mission Simulations
These camps are highly regarded for hands-on STEM learning.
St. Charles County
Inventor Forge Maker Space
Website: www.inventorforgemakerspace.org
Date: Open house 2nd Thursday
Time: 6:00 - 8:00 pm
Location: St. Peters
Hosts maker workshops, STEM classes, engineering projects, robotics activities, electronics, and fabrication programs throughout the year. Their calendar frequently includes youth STEM events and family maker days.