Personalized Nuts About Fifth Grade Toddler Long Sleeve T-Shirt. Nuts about 5th grade text with an acorn nut is a funny play on words for elementary school teachers, parents and students who love fifth grade. 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.