Personalized Kawaii Globe 100 Days Smarter Youth T-Shirt. Youth T-Shirt - Vintage Hot Pink with funny kawaii cartoon globe with eyeglasses and stack of books says I'm 100 Days Smarter. Cute 100 Days of School gift. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.