Personalized 1st Birthday Teddy Bear Toddler Long Sleeve T-Shirt. 1st Birthday Teddy Bear - A cute stuffed teddy bear is throwing a birthday party with balloons, noisemakers, confetti, and a birthday party hat. Cute gift for your little 1 year old! 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.