Personalized Mind Gymnastics Toddler Sweatshirt. Your brain needs exercise to stay in shape and Puzzles are Gymnastics for the Mind. Remind your friends to sharpen their minds with puzzles by sporting this design. 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