Personalized Kawaii Pencil Case 100 Days Smarter Toddler T-Shirt. Toddler T-Shirt - Lavender with funny kawaii cartoon pencil case with eyeglasses and school supplies (pencils scissors, ruler) says I'm 100 Days Smarter. Cute 100 Days of School gift. 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.