Personalized 3rd Birthday Bear Toddler Long Sleeve T-Shirt. A cute, laughing teddy bear is driving a car with a number three and birthday balloon buddies. Adorable gift for the three year old's 3rd birthday! 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.