Simplicity 3130; ©1959; Answer Dress that Grows, the dress gets wider, the dress gets longer, the tops and skirts can mix and match. Child's two-piece dress, adjustable for growing. Let-out tucks front and back of bodice for waist expansion. Waistline buttons on bodice for lengthening (enables mix matching). Side openings in skirt for waist expansion. Skirt buttons to bodice back and front. V. 1 & 2 feature contrasting collar and cuffs. V. 3 contrasting bodice has skirt fabric cuffs and bias trim.