Cock a doodle doo! The Little Hen Collection by Serendipity celebrates Spring with a whimsical print of sweet farm animals. She will love to twirl in the Little Hen Twirl Dress! In soft, cotton knit, this beautiful style for girls features custom floral buttons, fun pockets, and aqua accents with white bitty dots. Cotton/Elastane blend. See Size Guide. xxs(12m-18m),xs(2t-3t),s(4t-5t),m(5-6),l(7-8),xl(9-10),xxl(11-12).