https://jeanlittlelibrary.blogspot.com/2022/09/in-short-i-am-busy-stem-challenge.html
Jean Little Library: In short, I am busy: STEM challenge: Catapults
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https://lssc.catalog.instructure.com/browse/earlycollegeprograms/kidscollege/courses/crn30330rec0133stem-challenge-zone-cb16
CB16 STEM Challenge Zone NEW (30330) - Kids' College
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https://www.whitsundaystemchallenge.com.au/
Whitsunday STEM Challenge - Home
stem challengewhitsunday
https://sunnydaysinsecondgrade.blogspot.com/2014/06/our-first-stem-challenge.html
Our First STEM Challenge! - Sunny Days in Second Grade
I've heard the term STEM being thrown around quite a lot over the past couple of years. I knew it stood for Science Technology Engineering ...
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https://preschoolpowolpackets.blogspot.com/2016/11/christmas-science-stem-challenge-candy.html
Christmas Science Experiment & STEM Challenge: Candy Cane Construction Bridge
Awesome Christmas science project or Christmas STEM challenge! This science experiment is perfect for preschool and older kids!!
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https://socalftc.org/
Southern California First Tech Challenge – Supporting future STEM standouts!
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https://roboticscodingchallenge.org/
2026 UNSW STEM Robotics & Coding Challenge — K-12 Competition Australia
May 25, 2026 - Join the 2026 UNSW STEM Robotics and Coding Challenge. K-12 students compete in Scratch coding, AI pose control, and robotics. Schools and individuals welcome.
robotics coding challengeunswstem