Free STEM Resources for St. Louis Kids in 2026 (Complete Guide)
St. Louis has a surprisingly rich ecosystem of free and affordable STEM resources for kids and families — but they're scattered across dozens of organizations, libraries, and community programs. This guide pulls them all together in one place.
Whether you're looking for a free Saturday activity, an after-school coding club, or a structured curriculum your child can work through at home, there's something here for every age and budget.
Free STEM Resources in St. Louis
These programs are completely free or have no cost barrier to entry:
St. Louis Science Center
Free admissionFree admission every day. Exhibits, planetarium, GROW gallery, and seasonal STEM programming for all ages.
St. Louis Public Library — STEM Programs
FreeFree coding workshops, maker activities, 3D printing access, and STEM programming at branches across the city.
Girls Who Code — St. Louis Clubs
FreeFree after-school coding clubs for girls in grades 3–12. Multiple club locations across the St. Louis metro area.
Boys & Girls Clubs of Greater St. Louis
Low-cost membershipSTEM programming integrated into after-school activities at multiple St. Louis locations. Low-cost membership.
Mathews-Dickey Boys' & Girls' Club
Free / low-costNorth St. Louis youth organization offering academic support, STEM enrichment, and after-school programming.
Ellie's FutureMinds Academy — Free First Month
Free first monthFull STEM curriculum — coding, AI, cybersecurity, robotics, and more. First month completely free, no card required.
Low-Cost Structured Programs
If your child is ready for a more structured curriculum — with regular lessons, projects, and progression — these programs offer excellent value:
The Magic House
Paid admissionSt. Louis Children's Museum with hands-on STEM exhibits, engineering challenges, and coding activities.
STL Youth Robotics
Varies by programYouth robotics teams, competitions, and STEM mentoring. FIRST Robotics affiliated.
Ellie's FutureMinds Academy
$10/monthFull STEM curriculum — coding, AI, cybersecurity, robotics, game development, and web development. The most affordable structured program in St. Louis.
Tips for Getting the Most Out of Free STEM Resources
Start with the St. Louis Science Center — it's free every day and has something for every age from toddlers to teens.
Check your local library branch for coding workshops and maker activities. Many branches have 3D printers and laser cutters available for free.
FIRST Robotics and FIRST LEGO League teams are often looking for new members. Search firstinspires.org for teams near your zip code.
Ellie's Free STEM Saturdays at A Willing Vessel Church are a great way to try hands-on STEM before committing to a structured program.
For a full curriculum at home, Ellie's FutureMinds Academy offers 6 STEM tracks for $10/month — the most affordable structured option in St. Louis.
Know a Resource We Missed?
This list is updated regularly. If you know of a free or low-cost STEM program serving St. Louis families that we haven't included, email us at [email protected] and we'll review it for inclusion.
You can also browse our full St. Louis STEM Resources directory for a comprehensive, categorized listing.