some good and intelligent thoughts.a new idea and be a hardworking personality.he should have enough self confidence and try as much as he needs to be a inventor of a thing.
As you grow get a notebook to write your ideas so whenever an idea comes to you make sure you take it with you everywhere. then when you have the materials you need to make your invention you will...
There is no exact answer for that question. It depends what sport, what coach/board/team is going to sign you, and your build. The best advice I can give you is to practice, get someone/thing to...