Here are some randomly selected joke topics
dentists
Why did the queen go to the dentist?
To get her teeth crowned.
banana
Why did the banana visit the doctor?
It wasn't peeling well.
ducks
What happens when ducks fly backwards?
They quack up.
noisiest
What is the noisiest pet?
A trumpet.
knock knock
Knock, knock.
Who's there?
Dewey.
Dewey who?
Dewey stay or do we go?
mistakes
You have the capacity to learn from your mistakes.
You're bound to learn a lot today.
count
You can always count on your fingers
lizards
Why did the lizard decide to go on a diet?
Because it weighed too much for its scales.
maths
Why was the maths book looking so sad?
Because it had so many problems.