Getting from the "invention residing in your brain", for an actual functioning product is called "reducing the invention to practice", and almost invariably results in the invention of a variety of problems with details that aren't clearly evident when only living in the mind. Making a model or prototype will http://cashpesf57035.educationalimpactblog.com/13773251/invention-prototypes-and-models-valuable-tools-for-the-small-inventor