My two son's absolutely went GaGa for the Toy Story characters, Buzz Lightyear and Woody, years ago.
Here is a few clean jokes that I think are so cute.
Q: Why is Buzz Lightyear so good at Maths?
A: Because he can count to infinity and beyond.
Q: What kind of music does Buzz Lightyear listen to?
A: Neptunes.
Q: What did Rex say to Woody after eating a toy?
A: You've got a friend in me.
Q: Why is Jesse undefeated in Darts?
A: Because she always hits the bullseye.
Q: Why did Buzz Lightyear go to school on the sun?
A: To get brighter.
Q: What does Buzz Lightyear like to read?
A: Comet books.
Q: Where is Woody directing his new film, called "The Sun"?
A: It's set in the west.
Q: What did Woody say to Buzz Lightyear?
A: A lot. There were 3 Toy Story movies.