100th Day of School Dino Kids Happy 100 Days Dinosaur T-Rex is a perfect Gift for Boys and Girls Celebrating 100 days at school. For Kindergarten, Grade 1 2 3 4 5 6 7 8 9 10. 100 days Smarter at school. 100 days of kindergarten shirt 100th Day of School Dino Kids Happy 100 Days Dinosaur T-Rex Gift for Teacher from Students. Teachers and children can feel awesome being 100 days smarter and brighter! 100th day of kindergarten shirt. 100th day of school shirts for kids Lightweight, Classic fit, Double-needle sleeve and bottom hem