STEM challenge of the day- Build a roller coaster šŸŽ¢out of materials from home. I love the ingenuity of our 4th graā€¦

STEM challenge of the day- Build a roller coaster šŸŽ¢out of materials from home. I love the ingenuity of our 4th graā€¦ https://t.co/HxJcDtIUMw