Spanish Snacks

[lisabel]

So I've spent about half of my day today wandering through the internet in search of an answer for this question and have succeeded only in confusing myself further. I need suggestions of traditional Spanish foods that would be served as snack items, or, that a child might pilfer from the kitchen if he got a little hungry. By traditional, I mean something that would have been served in the eighteenth century, since that is the time period in which my novel is set. I don't care if the dish is sweet or savory, just so long as it's something that can preferably be eaten with one's hands, or, at the very least, with little fuss or mess.

My searches have turned up quite a bit on modern day tapas but I don't know how traditional those foods are and/or how much foreign cuisine has influenced them. If a specific location is needed, the characters in question live in Madrid.

Thank you in advance - any and all help would be greatly appreciated.