STEM challenge of the week: work with your team to build the tallest structure @CampbellAPS @APSscience
STEM challenge of the week: work with your team to build the tallest structure @CampbellAPS @APSscience https://t.co/NCu6v6ltKg
STEM challenge of the week: work with your team to build the tallest structure @CampbellAPS @APSscience https://t.co/NCu6v6ltKg