This document discusses how libraries can serve as hubs for STEM and STEAM initiatives by incorporating tinkering, collaboration, project-based learning, and partnerships with schools and other community organizations. It provides examples of libraries that have implemented maker spaces, coding activities, events featuring local experts, and project-based learning to engage students in STEM topics. The document advocates that libraries promote STEM and STEAM opportunities through branding activities, online resources, and networking to highlight their role in supporting student inquiry and creativity.