Personalized Worlds Best Chemist Toddler Sweatshirt. Great looking gift for the chemist, chemistry professor or chemistry major, this Worlds Best Chemist gift Toddler Sweatshirt - White with blue and tan logo is a unique way to show you love them. 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