Personalized Cinco De Mayo Lets Fiesta Taco Toddler Long Sleeve T-Shirt. Funny taco with sombrero has let's fiesta quote for Cinco De Mayo parties. 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.