A pun is a joke that makes a play on words, typically by using words that sound similar but have different meanings. It can also use different meanings of the same word to make the saying funny. While some puns will likely only be understood by adults, funny puns for kids a great way for young ones to learn how to play with language too.
Perhaps the oldest joke formula of all-time is one when you pose a rhetorical question where the answer is a clever pun. Here are some great examples.
Funny animal puns always go over well with children.