Personalized Pi Day Pirate Funny Math Toddler Sweatshirt. Funny happy Pi Day Pirate math Toddler Sweatshirt - White has cute pi symbol wearing an eye patch for students or teachers. 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