...eeep time...

sooo had an idea for a beating heart -i'll scan some images in later -
anyone know any good places to buy little motors ?? perhaps battery size??
i know there is a place called maplins ??? i think it's newport road in cardiff ... have to double check with danny for that..
but i dont really know much about things like that so.. any help out there for a widdle me , before i buy an do a .. d'oh ..