RT @LetsTalkScience: Thank you @3MCanada for graciously donating all of the materials used for the Engineering Challenge at our 27 Let's Talk Science Challenge events happening across Canada! #LTSC2019 https://t.co/MaczCcx3PA
3:22 PM - 10 May 19
RT @LetsTalkScience: Thank you @3MCanada for graciously donating all of the materials used for the Engineering Challenge at our 27 Let's Talk Science Challenge events happening across Canada! #LTSC2019 https://t.co/MaczCcx3PA
3:22 PM - 10 May 19