Bonjour mes enfants.
Here's a breakdown:
* Bonjour: This is the standard greeting in French, equivalent to "Hello".
* mes: This is the possessive adjective meaning "my" and agrees in gender and number with "enfants".
* enfants: This is the noun meaning "children".
Other options:
You could also say:
* Salut mes enfants: This is a more informal and casual greeting.
* Coucou mes enfants: This is a playful and affectionate greeting.
The best choice will depend on the context and your relationship with the children.