I think the project is great. Maybe not apples to apples but it shows the new technology, and for 10 yr old I say praise him. We need engineers, here is a beginner learing the trade. There are probably a few of us who remember when bondo came around. Lead was in and plastic was "new fangled junk". I even had HS auto class using lead. Never used it again. Ever hear of leadding now?? Lost art. good riddance.