Convention's we would expect to see in an opening sequence

There are various things we would expect to see in the opening scene for a chilrens film, all of which are very important as the first scene is what will capture the viewers and intise them to continue watching.
These Conventions include:

Bright colours

Usually the main Character/Characters

The name of the Character(s) would also feature

Basic Camera angles

Usually quite funny 

Titles/Credits

Simple plot

Main Storyline

Introduce setting