STEM Challenge: Build a Bridge at Knowledge Tree

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Google Calendar  - STEM Challenge: Build a Bridge at Knowledge Tree - 2015-12-06 00:00:00 Google Yahoo Calendar - STEM Challenge: Build a Bridge at Knowledge Tree - 2015-12-06 00:00:00 Yahoo Outlook Calendar - STEM Challenge: Build a Bridge at Knowledge Tree - 2015-12-06 00:00:00 Outlook iCalendar - STEM Challenge: Build a Bridge at Knowledge Tree - 2015-12-06 00:00:00 ical