Personalized Future Pre-K Teacher Youth T-Shirt. Especially for the Future Pre-K teacher this colorful design has handprints and slogan that says When I Grow Up I'm Gonna Be A Pre-K Teacher on a Youth T-Shirt - White 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.