- In the Messenger Kids app, click on your child's profile picture.
- Underneath their name you'll see a code.
- Click on the code to copy it.
- In the Messenger Kids app, scroll down and click 'Add a Friend.'
- Type or paste your friend's code into the box.
- Click 'Ask to Chat.'
Facebook's Messenger Kids is a free app that allows children to make video calls and send messages on smartphones and tablets, but with more control than just giving your child access to a phone.