55anos I am a teacher and coordinator of the NTA live in Brazil and I'm Attending A N-Prize competition (http://www.n-prize.com/
) should launch a rocket from a balloon platform. We are looking to buy four balloons to lift a balloon 6 kg each or buy two balloons to lift 12Kg. I wonder where to buy urgent.
I'm waiting a hug to everyone.
NTA-mail - email@example.com