Personalized Rocket Kid 2nd Birthday Toddler Long Sleeve T-Shirt. Blast off! A young astronaut sits on a red rocket as it flies off into space, zooming around a giant 2. Cute 2nd birthday gift for your little astronaut. 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.