Personalized Take a Chance: The Whatif Monster goes swimming Youth T-Shirt. After learning he might enjoy trying new things, the Whatif Monster takes a leap of faith. Take a Chance: The Whatif Monster goes swimming Youth T-Shirt - Kelly Green, from "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. 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.