To find appropriate knock-knock jokes for little kids, visit websites such as Duckster, Squigley's Playhouse and Funology. All these websites are for children, so all material is suitable for kids of all ages. At the Duckster website, there are many innocuous and corny knock-knock jokes that are short and easy for kids to remember.
One joke given on this site is the typical knock-knock sequence of questions and answers that asks "Who is there?" and the reply was "Ashe." To this reply, the person asks "Ashe who?" and the punchline is the answer "Bless you." Most of the other jokes on this site are similar to this simple joke.
Squigley's Playhouse and Funology are two other websites that have clean and kid-friendly knock-knock jokes that also are easy and quite funny. Both sites feature over 25 jokes. These sites also have other jokes and kid activities, such as magic tricks, games, puzzles and crafts. Although these are only a few online resources that have appropriate jokes for kids, there are many other websites specifically geared for kids that offer more knock-knock jokes. However, parents should look through each website and check if the material or jokes on the site are suitable for their child's age.