Straw Roller Coaster STEM Challenge

>> DOWNLOAD LINK 🎞️ #1 <<

>> DOWNLOAD LINK 🎞️ #2 <<

>> COPY / PASTE LINK PLEASE 🎵 MP3 <<

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=T4yBRAvl8wI

Use straws to build a roller coaster for a ping pong ball! See more details here: http://frugalfun4boys.com/2016/08/14/...

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