Personalized Sprocket Man Toddler Long Sleeve T-Shirt. Sprocket man text and gears is a humorous mechanical gift design for mechanics and vo-tech students 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.