That's the only way they learn lian , hands on , my boy Karl started filling my race car up with petrol and was my little gofar at race meetings at about josephs age he then started helping me build race cars then show winning custom bikes and trikes he even built me a 320 bhp v8 engine for one of them, he went on to be an excellent welder fitter and hydrolic expert and now he's in his 30s ime his gofar, what goes round comes round