Personalized Little Sister Unicorn Toddler Sweatshirt. Little Sister Unicorn - A cute little sister unicorn prances with a heart on her cheek in a rainbow filled sky. Cute gift for any little sis! 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