A big component of Montessori for preschoolers is teaching them about daily activities. I have two books on Montessori and there are some good ideas in there:
Gotta keep 'em busy or they will keep you busy, no?
This week I have been trying to kick my serious lack of motivation in this department by getting the kids involved.
Vacuuming - Could just be my kids, but using the hand vac is pretty much their favorite thing ever. Close supervision and specific instructions are essential of course.
Sweeping Floors - They sell child-sized brooms and dust pans on Montessori sites. I have also heard of cutting down a wooden broom handle is a more affordable option. I don't have either, but I did take a section out of a swiffer to make it shorter.
Straighting - In the afternoons I have the boys deliver all the wayward socks, shoes, coats, trash, etc from the living room to their respective homes. We live in a rancher so this is quick. The oldest loves racing around. I think it's good for 'following directions' practice.