Personalized Autism I Love My Cousin Toddler Long Sleeve T-Shirt. I Love My Cousin with Autism Toddler Long Sleeve Tee - Kelly Green has puzzle heart for support. 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.