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- Most of the stations were overwhelmed by students after the first hour
- High variability with student numbers - we'd have no students for 20min then get swamped by 50 in the next min
- Many students would deviate from the activity and play games if left unattended
- Some were too young to know how to read but wanted to code arduino - this was very challenging
- Difficult to separate some of the students from the robots who were engrossed - good for tech learning but difficult to ensure everyone has some time with the tech experience
- Inconsistent training and pre-briefing between students that did the robot exercise
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