Personalized Engineer Three Shamrocks Toddler Long Sleeve T-Shirt. Celebrate the wearing of the green with this three shamrocks and Engineer text design. Unique gift on birthdays, graduations and holidays for the Irish and the Irish at heart. 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.