How to decorate balloons for kids birthday party?

.Can anyone here know how to decorate a kids room with balloons for Birthday parties? I wish to decorate my 12 year old daughter's room with stunning rooms to make this day a memorable one for her. Any suggestions please.
By: Guest
Date: Mon-Jan-30-2017-
surprising your kid with some balloons and presents and cake like this
IMGUR dot com/a/AvcPd

[d] By: nguyenvui
Date: Fri-Feb-3-2017
What is 1 + 100

Just Updated::