Personalized Tennis Egghead Toddler Long Sleeve T-Shirt. An egghead wearing a visor and holding a tennis ball and racket is a funny gift design for tennis players and fans at birthdays, holidays and special occasions. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.