Netwrck 
Get Balloons and Fly
Today, you have been challenged to fly with balloons in the city by any means necessary. You're gonna need about 2500 ft³ of helium; that's about 22 72" weather balloons' worth! Will you collect tens of thousands of party balloons? Will you win the carnival's giant balloons? Will you get helium tanks and weather balloons? Will you pilot a hot air balloon into the city? Will you make your own hydrogen? Moneybags Industries will be watching the sky for your balloons before sunset to win the prize.