Feb. 13, 2019 Homeschool Day Join the Science Mill for its monthly Homeschool Day and focus on careers in engineering. In special hands-on activities, students can use the Strawbees system to engineer their own creations, make a mountain rescue litter, and create a pom pom launcher with materials from a mystery bag. Plus, students can attend optional age-based Learning Labs and explore the museum’s 50+ unique exhibits and 3D movie.