IANAL etc Recipes are not copyrightable, in general - though that is a complex question in its own right - but the text is. So I think you're correct in saying

IANAL etc Recipes are not copyrightable, in general - though that is a complex question in its own right - but the text is. So I think you're correct in saying if someone follows a set of instructions and rewrites them in their own words, they are probably fine. That being said, Lego is awesome and I wouldn't want to annoy them, as they might stop selling me the bricks...