Lower School Science Day on Nov. 21 featured a STEM challenge in the Library where 2nd and 4th graders teamed up to build an igloo out of toothpicks and marshmallows! See more images of the igloo builders at work at https://saintgeorges.smugmug.com/Academics/LS-2nd-4th-Science-Day-Igloos-11-21-23/