Personalized 1st Birthday Boy Rocket Ship Toddler Long Sleeve T-Shirt. 1st Birthday Boys Rocket Ship Toddler Long Sleeve Tee - Charcoal in striped blue and white with stars, a fun space themed bday design. 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.