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Thank you for signing up to receive additional information about 4‑H STEM Challenge. In the meantime, check out other ways you can get involved with 4‑H science, technology, engineering and math programs below.

View Past 4‑H STEM Challenge Experiments

Check out STEM activities, experiments and design challenges from the past 12 years of 4‑H STEM Challenge, formerly 4‑H National Youth Science Day (NYSD).


Find a 4‑H STEM Club

Ready to join a 4‑H club or just looking to learn more about 4‑H programs in your area?

Contact your county Extension office to join local programs and clubs.

Support 4‑H STEM Programs

Give youth the opportunity to learn about Science, Technology, Engineering and Math (STEM) through fun, hands-on activities and projects.

Support 4‑H and help advance 4‑H STEM programs across the country.



CLOVER provides hands-on, educational activities for kids and teens all year long. Get our latest Activity Guides, activities from 4‑H Land-Grant Universities, and more.

4-H Curriculum & Educational Kits

With over 350 books and educational kits in 60 different categories, there is sure to be something to excite and engage your kids!