What is the name of a movie that group children travels on bed through various places which also includes animated characters?

You're describing the movie "Bedknobs and Broomsticks" (1971).

Here's why it fits your description:

* Group of Children: The main characters are three children who are evacuated to the countryside during World War II.

* Travel on Bed: They use a magical bed, powered by a spell, to travel to various locations.

* Animated Characters: The movie features animated characters, most notably the talking animals.

Let me know if you have any other movie mysteries to solve!