BOYS THEME IDEAS

Pirate
Dinosaur
Go Diego Go
Animal Safari
Outer Space
Rock Star
Shrek

Toy Story
Mickey Mouse
Monster Truck
Thomas the Train 
Planes and Trains
Magic
Transformers

Batman
Ben 10
Bakugan
GI Joe
Lego
Disney Cars
How to train your Dragon

Any Sport
Super Mario Brothers
Bionicle
SpongeBob
Nascar
Harry Potter
Star Wars
more choices...