Hip hop music.. battles?

Question: Hip hop music!.!. battles!?

Hey !
i need to choreograph a hip hop dance for kids ages 4-9!.!.
the group has two levels in it, so i wanted to do a concept of a battle between junior and senior

any idea's of a song i could use with a bit of a battle in it!?
keep in mind it has to be appropriate!.

thank you !Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Dangerous
Im'am shine - Youngbloodz (from step up)
Switch - Will Smith
We Run This - Missy Elliott (the clean version of corse =] )Www@QuestionHome@Com