A lighthouse is like a big flashlight that helps sailors find their way at sea. When it’s dark or foggy, a lighthouse lights up so the boats know where they are, and it helps them avoid rocks and shallow waters that might be dangerous.

Think of it like a giant tower with a bright light on top. The light can spin around so it can be seen from far away. Some lighthouses also make loud noises called foghorns to help boats know where they are too, especially when they can’t see well.

So, lighthouses are very important because they keep boats safe by showing them the right path to follow!