Mrs. Rice's class in the #STEM lab making atlatl- spear throwing device used by prehistori… https://t.co/Z7ow7KORVE http://pic.twitter.com/e9sZQMwZyg
— Pine Grove Middle (@PGMVikings) September 23, 2016
from Twitter https://twitter.com/PGMVikings
September 23, 2016 at 03:33PM
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