Hijacked by TH for some random useless things because he didn’t want to set up his own site.

Balloon hovercraft

As I was watching Big Bang theory on the new episode of Prof. Proton, I thought this science experiment would interest big J for sure. So today, we tried to remake it. You need: 1 balloon 1 bottle cap 1 CD Rom (this dinosaur is hard to find) Hot glue…