This patent coloring book was created for the Summer 2021 Eureka! program. Eureka! is an innovative 5-year program that addresses the gender gap in the fields of science, technology, engineering, and math (STEM). Eureka! at UMass is a partnership between UMass Amherst and Girls Inc. of the Valley, launched in 2013 with the long-term goal of motivating girls to pursue post-secondary education and careers in STEM fields.