#STEM challenge of the day: design & build a bridge that can hold the most weight @CampbellAPS
#STEM challenge of the day: design & build a bridge that can hold the most weight @CampbellAPS https://t.co/XMa34v72ft
#STEM challenge of the day: design & build a bridge that can hold the most weight @CampbellAPS https://t.co/XMa34v72ft