http://www.magiccabin.com/magiccabin/product.do?section_id=2&sc=1004&bc=1004&pgc=121&cmvalue=MCD|CROSSSELL|PRODUCT|401

is it on the smaller size? Would it be to small to use with a 10-12 inch doll sized doll?

Well, the Pioneer Dolls that Magic Cabin "goes" with the set are only 5" tall for the adults of the set, so I don't think it would work for larger dolls.