Need Simple Concept product to manufacturing stage for prototype

I would like to get a simple concept product to the manufacturing stage. The product would require a high quality finish but would be a very simple product to manufacture. It will require the skills of a mechanical engineer, electrical engineer and manufacturer. It will be made of plastic and operate on batteries of sufficient voltage. A NDA & NCA will be required to be singed. Upon completion of project you will receive 1 % royalty for the first year as part of the compensation. You will also receive the opportunity to receive additional projects. Requirements : Any references you may have of recent work completed. Documents or files of work completed. Upon completion of project you will be required to furnish proper documents of Patent filing in US. Good Luck and happy bidding.