May 26th is National Paper Airplane Day
https://www.sciencefriday.com/educational-resources/paper-airplane-flight-challenge/
https://www.thethinkerbuilder.com/2016/05/flyin-to-end-of-year.html
May 26th is National Paper Airplane Day
https://www.sciencefriday.com/educational-resources/paper-airplane-flight-challenge/
https://www.thethinkerbuilder.com/2016/05/flyin-to-end-of-year.html
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