Personalized 100 Days of 2nd Grade | 100 Days Of School Toddler Dress. Celebrate your child's 100th day of 2nd grade with our adorable 100 Days of 2nd Grade design! This cute and happy design is perfect for showing off their milestone in style. Whether it's for a school event or just to commemorate this special day, our apparel is sure to make your little one feel proud and excited. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!