As we said, this project is versatile. You can use a wide range of box sizes to make your pinhole camera, but cereal and shoe boxes work exceptionally well. We used the 15-by-7 ½-by-5 ½-inch box ...

If you want to learn more about how pinhole cameras work and other fun projects you and your kids can do to prepare for the total solar eclipse, check out NASA's explainer article.