This tiny house dollhouse is perfectly sized to suit barbies or 12 inch dolls. At the link you will also find free plans for convertible furniture for your new dollhouse.
Build this open A frame dollhouse using the free woodworking plans at the link.
Build this wall mounted dollhouse shelf using the free step-by-step woodworking plans at the link.
Build an open dollhouse using these free step-by-step woodworking plans.