>Proving that you don't need Google's billions or the BBC weather centre's resources, the four Spanish students managed to send a camera-operated weather balloon into the stratosphere.

>'We were overwhelmed at our results, especially the photographs. To send our handmade craft to the edge of space is incredible.'

http://www.dailymail.co.uk/news/worldnews/article-1162659/Students-tie-56-camera-balloon-send-edge-space-capture-stunning-images-Earth.html

I give them props for doing this for less than $200.

They were just copying the project of the canadian kids that did this a couple years back.

What have you done for me lately? That's still pretty cool. & the Canadian kids also cool.

I think you're referring to this:
http://www.natrium42.com/halo/flight2/

If the balloon would have an automatic overpressure vent, then it would have been able to rise substantially higher.