Sorry I don't have any suggestions because I haven't been to a craft sale in ages. Got tired of walking through them, seeing the unbelievable high prices knowing full well that *I* could make the same things...but didn't (my problem).
I agree with lots of lower priced small items and a few larger items WITH cards with your contact info. Pass out those cards when people start to look at something, contemplate buying it, but start to walk away. Give it to them and say 'here's my card in case you change your mind'. If it's a large craft show, write down the booth number or location.
You could even list the item they were looking at on the back of the card. That way when they find the card when they get home they'll see that they were looking at 'xyz' at your booth and ohhhh wasn't that so cute!
Good luck