at 15 you cant drive the car . so you want a free paint job for someone else to run around in it.
calling it an experiment to see what you can achieve seems to be nothing more than tyring to get someone else to pay for you to have your fun with no gaurantee it will ever even see the road at all. say it gets painted then it sits parked up for another 2 years due to you having no money and no other 'sponsors' to complete it?
im a small business and i wouldnt entertain you purely because your to young and inexperienced and your head will be full of mince.
good luck though, youll need it.