This is the perfect t-shirt idea for young students who love both dinosaurs and monster trucks for back to school time! If your child is ready to crush kindergarten or second grade, this is perfect! A T-Rex style dinosaur roars from the back of a monster truck framed by stylized text in mixed fonts that reads RAWR! I'm Ready to Crush Kindergarten or 2nd Grade! This unique t-shirt design for either grade can be found on kid's t-shirts and kid's premium t-shirts from Amazon. These are perfect for the first day of back to school as a kindergartner or second grader, or during the early days in the new school year. Check out the different options below.