Personalized Black Question Mark Toddler Long Sleeve T-Shirt. A question mark made of black circles is a fun gift design for puzzlers, daydreamers and the clueless at back to school, birthdays and holidays. 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.