Personalized Take a Chance: The Whatif Monster goes swimming Toddler Long Sleeve 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 Toddler Long Sleeve Tee - Light Blue, from "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.