Board Book - Kids / Animals/Mythical. What do unicorns love? Do they eat wiggly worms? Do they wear a pirate hat on their head? Do they race over a rainbow? Do unicorns dance on the moon? Lift the flaps to create a story with this interactive board book where the reader determines the plot! Choose from fifteen lift-the-flaps to create a funny story and decide what happens next. Unicorns LOVE Rainbow Underpants! encourages imaginative play as the reader crafts their own story, again and again.