Ss @CampbellAPS creating simple machines from Legos as part of their new expedition @APSGifted @ELeducation

ss-campbellaps-creating-simple-machines-from-legos-as-part-of-their-new-expedition-apsgifted-eleducation-httpst-coirwhpwcpr8 

Ss @CampbellAPS creating simple machines from Legos as part of their new expedition @APSGifted @ELeducation https://t.co/IRwHPWCPR8