Personalized Las Vegas 21st Birthday Toddler Sweatshirt. 21st birthday Toddler Sweatshirt - Mauve with Las Vegas welcome sign that says IT'S MY FABULOUS TWENTY-FIRST BIRTHDAY. Fun and unique for her very special birthday. Keep your little one cozy and stylish with this soft and durable toddler sweatshirt. Designed for comfort and ease of movement, it features a classic fit with ribbed cuffs and hem for added warmth. Perfect for everyday wear, playtime, or chilly outings, this sweatshirt is made to withstand the adventures of an active toddler