According to howstuffworks.com they use approximately 400,000 cubic feet of helium to keep all of the balloons in the parade afloat.
Initially, the balloons were air-filled and carried by string. Later, a mixture of low-density helium and air was used. quoted from howstuffworks.com
At first the used regular air. Then the switched to helium.
you can play with them and blow them up and fill them with water and lots of balloons can make you fly
water and air
Dancers:In order to participate in Macy's Thanksgiving Day Parade, dancers have to audition and receive an invitation. Auditions for dancers for the 2011 parade were held at New York City's Binary Park on August 27. Any child from 12-16 could audition. Performers pay their own travel expenses plus an $895.00 participation fee. Bands:Bands must fill out an application, which is available at a Related Link below.
hot air balloons
heeleeum
Helium
Helium is an inert gas."They fill Helium in the balloons", father explains his child.
25 Balloons (Approx.)(I might be wrong as I am not sure)
Helium is an element. It is used to fill balloons and things.
Parade
air balloons or hot air balloons fly because they fill with a very light type of air. The air is hot air.
it symbolizes thanksgiving and you fill it with what you are thankful for