I think the gifts are more of a "thank you for doing this" (after the fact) and not a "please do this" (seems kind of bribe-y, however well-intentioned). But I suppose you could try and frame it otherwise...
CountingDown -- Now you've really piqued my interest! Sounds like the type of letter that will really stand-out, though, and presumably say a lot about your son. Best of luck to him
