Personalized Autism Awareness Ribbon Train Youth T-Shirt. Autism Awareness choo choo train with puzzle ribbon and colored hearts on a Youth T-Shirt - Kelly Green for a support month walk event. 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.