More to explore:
Balloon arches w/o using helium, Cute idea for parties.
diy balloon arch
Operation $40K: How To Make A Balloon Arch
How to Make a Balloon Arch Without Helium | eHow
Modern/chic version of a balloon arch?
how to make a balloon arch without helium - Google Search
Rainbow balloon arch We totally need to do this for some event for PRIDE this year!!
There's no better way to say, "Step right up!" than with a balloon arch. Click to see how to make it!
DIY balloon arches w/ or w/o helium you will need 4-6 balloons per foot of frame.
DIY Ballon Arch w/video
I have made these lots of times and they are easy to make and I just use air to fill balloons. No helium needed!