Balloon Rings

Buy balloons on Amazon (paid link)
Buy an air pump on Amazon (paid link)

Rings and bracelets and wreaths could be used as wearables or as part of large decoration designs.
Check Arch and Poles ballons page for large sculptures.
And there are more ideas about making rings and such on balloon weaving fabric and hats pages.

How to Make Balloon Bracelet

Skull balloon bracelet

Flower balloon ring

Olympic balloon rings

One balloon flower ring

Wedding Balloon Rings

How to make balloon ring

Christmas Balloon Wreath