Personalized Teaching Smile Dark Products Toddler Long Sleeve T-Shirt. Teaching makes me smile with a smiling face made of the word teaching is a humorous gift design at back to school and graduation. 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.