Personalized Trick or Treat Toddler Long Sleeve T-Shirt. Cute little Halloween skeleton girl waiting for her pumpkin to be filled with treats. Trick or Treat! 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.