I was watching Dragons Den Last night, A programme were people try and get money from investors for their inventions or business plans,
There were 2 guys with their invention of Aero drums, I thought it was a brilliant idea, especially with drums being so noisy to practice, in the uk they cost £140 so they are not to expensive.....
https://www.youtube.com/watch?v=cUTubEuOXXkAlex