Personalized Blast Off For Preschool Toddler T-Shirt. Get ready for preschool Toddler T-Shirt - White with a rocket ship, planet and stars says BLASTING OFF FOR PRESCHOOL. Back to school gifts for preschoolers and preschool teachers. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.