From the very beginning to the very end of the eclipse is about 4.5 hours (totality only lasts about 1 - 3 minutes). Check out the links below for some activities you can do during the partial phases of the eclipse:
Make an Eclipse Viewer! | Science Project for Kids
Solar Eclipse Activities - Teacher Tested | Exploratorium
STEM Lessons for Educators – NASA Jet Propulsion Laboratory
NASA’s Eyes
Emergency Solar Eclipse Viewer : 7 Steps (with Pictures) - Instructables
Make Your Own Safe Solar Viewer (SSV)
All About the Moon | NASA Space Place – NASA Science for Kids
EclipsesAroundWorld2024.pdf
How to Photograph the Eclipse