I would ask them both what they like. and Find something that they both like.
Well when i was eleven i had a Hawaii birthday party theme. If your a Boy im sorry.
A Knight in shining armor!
My son's birthday party's theme was Disney princess.
Movie themed party for girls and sports for boys
a Disney themed party I love disney
C.
pajama day
Colors
You should design the party favors around the theme of the birthday party if there is a theme. Things to include would be small, inexpensive toys and candy.
The theme of his room was dinosaurs. You need a theme for a birthday party, how about dogs? She loved the show, but the theme song was annoying.
Definitely Cocktails
Children birthday party is arrange by proper planning. Firstly, we should select the party theme for this event then we decorate according to this theme. The theme should must be entertaining and funny because kids likes entertainment so we can use several games at this occasion to make party more funny.