Well hello there, kiddo! Cherubim are a type of angel that you might have heard of. They are a little different than the other angels, because they have wings and they sometimes look like a mix between a person, a lion, and an eagle.
Now, cherubim are really important in some religions, like Christianity and Judaism. They are mentioned a lot in the Bible and are said to guard the Garden of Eden with a flaming sword. They are also said to have a special connection to God, and are even used as symbols of God's presence.
So, to sum it up, cherubim are a type of special angel with wings and a special connection to God. They are really important in some religions and are often depicted as having a mix of human and animal features.