Personalized Happiness Is Toddler Sweatshirt. Happiness is a new scrapbook with a heart dotting the letter i in the word happiness is a unique scrapbooking gift design for birthdays and holidays. 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